Home / 127,113.04-175,413-70,522.96

Finding the Fourth Proportional to 127,113.04, 175,413 and 70,522.96

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Solution

The fourth proportional to 127,113.04, 175,413 and 70,522.96 is: 97,320.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,113.04 : 175,413 = 70,522.96 : x
  2. Step 2: Convert to fraction form
    127,113.04/175,413 = 70,522.96/x
  3. Step 3: Cross multiply
    127,113.04x = 175,413 × 70,522.96
  4. Step 4: Simplify right side
    127,113.04x = 12,370,643,982.48
  5. Step 5: Solve for x
    x = 12,370,643,982.48/127,113.04
  6. Step 6: Final answer
    x = 97,320.02

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.