Home / 127,122.84-175,429.62-70,534.17

Finding the Fourth Proportional to 127,122.84, 175,429.62 and 70,534.17

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Solution

The fourth proportional to 127,122.84, 175,429.62 and 70,534.17 is: 97,337.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,122.84 : 175,429.62 = 70,534.17 : x
  2. Step 2: Convert to fraction form
    127,122.84/175,429.62 = 70,534.17/x
  3. Step 3: Cross multiply
    127,122.84x = 175,429.62 × 70,534.17
  4. Step 4: Simplify right side
    127,122.84x = 12,373,782,640.12
  5. Step 5: Solve for x
    x = 12,373,782,640.12/127,122.84
  6. Step 6: Final answer
    x = 97,337.21

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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.