Home / 108,545.15-162,537.32-74,914.97

Finding the Fourth Proportional to 108,545.15, 162,537.32 and 74,914.97

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Solution

The fourth proportional to 108,545.15, 162,537.32 and 74,914.97 is: 112,178.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,545.15 : 162,537.32 = 74,914.97 : x
  2. Step 2: Convert to fraction form
    108,545.15/162,537.32 = 74,914.97/x
  3. Step 3: Cross multiply
    108,545.15x = 162,537.32 × 74,914.97
  4. Step 4: Simplify right side
    108,545.15x = 12,176,477,264.42
  5. Step 5: Solve for x
    x = 12,176,477,264.42/108,545.15
  6. Step 6: Final answer
    x = 112,178.92

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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.