Home / 234,572.40-323,710.26-127,142.41

Finding the Fourth Proportional to 234,572.40, 323,710.26 and 127,142.41

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Solution

The fourth proportional to 234,572.40, 323,710.26 and 127,142.41 is: 175,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,572.40 : 323,710.26 = 127,142.41 : x
  2. Step 2: Convert to fraction form
    234,572.40/323,710.26 = 127,142.41/x
  3. Step 3: Cross multiply
    234,572.40x = 323,710.26 × 127,142.41
  4. Step 4: Simplify right side
    234,572.40x = 41,157,300,343.86
  5. Step 5: Solve for x
    x = 41,157,300,343.86/234,572.40
  6. Step 6: Final answer
    x = 175,456.70

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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.