Home / 156,663.70-234,988.26-38,328.78

Finding the Fourth Proportional to 156,663.70, 234,988.26 and 38,328.78

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Solution

The fourth proportional to 156,663.70, 234,988.26 and 38,328.78 is: 57,491.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,663.70 : 234,988.26 = 38,328.78 : x
  2. Step 2: Convert to fraction form
    156,663.70/234,988.26 = 38,328.78/x
  3. Step 3: Cross multiply
    156,663.70x = 234,988.26 × 38,328.78
  4. Step 4: Simplify right side
    156,663.70x = 9,006,813,320.12
  5. Step 5: Solve for x
    x = 9,006,813,320.12/156,663.70
  6. Step 6: Final answer
    x = 57,491.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.