Home / 127,077.18-175,363.83-70,488.06

Finding the Fourth Proportional to 127,077.18, 175,363.83 and 70,488.06

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Solution

The fourth proportional to 127,077.18, 175,363.83 and 70,488.06 is: 97,272.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,077.18 : 175,363.83 = 70,488.06 : x
  2. Step 2: Convert to fraction form
    127,077.18/175,363.83 = 70,488.06/x
  3. Step 3: Cross multiply
    127,077.18x = 175,363.83 × 70,488.06
  4. Step 4: Simplify right side
    127,077.18x = 12,361,056,170.87
  5. Step 5: Solve for x
    x = 12,361,056,170.87/127,077.18
  6. Step 6: Final answer
    x = 97,272.04

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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.