Home / 162,175.92-243,320.04-67,457.22

Finding the Fourth Proportional to 162,175.92, 243,320.04 and 67,457.22

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Solution

The fourth proportional to 162,175.92, 243,320.04 and 67,457.22 is: 101,209.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,175.92 : 243,320.04 = 67,457.22 : x
  2. Step 2: Convert to fraction form
    162,175.92/243,320.04 = 67,457.22/x
  3. Step 3: Cross multiply
    162,175.92x = 243,320.04 × 67,457.22
  4. Step 4: Simplify right side
    162,175.92x = 16,413,693,468.69
  5. Step 5: Solve for x
    x = 16,413,693,468.69/162,175.92
  6. Step 6: Final answer
    x = 101,209.19

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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.