Home / 144,545.10-216,817.65-39,363.90

Finding the Fourth Proportional to 144,545.10, 216,817.65 and 39,363.90

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Solution

The fourth proportional to 144,545.10, 216,817.65 and 39,363.90 is: 59,045.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,545.10 : 216,817.65 = 39,363.90 : x
  2. Step 2: Convert to fraction form
    144,545.10/216,817.65 = 39,363.90/x
  3. Step 3: Cross multiply
    144,545.10x = 216,817.65 × 39,363.90
  4. Step 4: Simplify right side
    144,545.10x = 8,534,788,292.84
  5. Step 5: Solve for x
    x = 8,534,788,292.84/144,545.10
  6. Step 6: Final answer
    x = 59,045.85

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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.