Home / 234,151.16-323,128.53-126,721.17

Finding the Fourth Proportional to 234,151.16, 323,128.53 and 126,721.17

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Solution

The fourth proportional to 234,151.16, 323,128.53 and 126,721.17 is: 174,875.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,151.16 : 323,128.53 = 126,721.17 : x
  2. Step 2: Convert to fraction form
    234,151.16/323,128.53 = 126,721.17/x
  3. Step 3: Cross multiply
    234,151.16x = 323,128.53 × 126,721.17
  4. Step 4: Simplify right side
    234,151.16x = 40,947,225,381.98
  5. Step 5: Solve for x
    x = 40,947,225,381.98/234,151.16
  6. Step 6: Final answer
    x = 174,875.18

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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.