Home / 162,372.80-224,143.56-98,731.04

Finding the Fourth Proportional to 162,372.80, 224,143.56 and 98,731.04

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Solution

The fourth proportional to 162,372.80, 224,143.56 and 98,731.04 is: 136,290.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,372.80 : 224,143.56 = 98,731.04 : x
  2. Step 2: Convert to fraction form
    162,372.80/224,143.56 = 98,731.04/x
  3. Step 3: Cross multiply
    162,372.80x = 224,143.56 × 98,731.04
  4. Step 4: Simplify right side
    162,372.80x = 22,129,926,788.10
  5. Step 5: Solve for x
    x = 22,129,926,788.10/162,372.80
  6. Step 6: Final answer
    x = 136,290.85

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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.