Home / 162,331.52-224,160-102,006.72

Finding the Fourth Proportional to 162,331.52, 224,160 and 102,006.72

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Solution

The fourth proportional to 162,331.52, 224,160 and 102,006.72 is: 140,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,331.52 : 224,160 = 102,006.72 : x
  2. Step 2: Convert to fraction form
    162,331.52/224,160 = 102,006.72/x
  3. Step 3: Cross multiply
    162,331.52x = 224,160 × 102,006.72
  4. Step 4: Simplify right side
    162,331.52x = 22,865,826,355.20
  5. Step 5: Solve for x
    x = 22,865,826,355.20/162,331.52
  6. Step 6: Final answer
    x = 140,858.82

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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.