Home / 144,085.38-216,160.02-55,338.90

Finding the Fourth Proportional to 144,085.38, 216,160.02 and 55,338.90

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Solution

The fourth proportional to 144,085.38, 216,160.02 and 55,338.90 is: 83,020.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,085.38 : 216,160.02 = 55,338.90 : x
  2. Step 2: Convert to fraction form
    144,085.38/216,160.02 = 55,338.90/x
  3. Step 3: Cross multiply
    144,085.38x = 216,160.02 × 55,338.90
  4. Step 4: Simplify right side
    144,085.38x = 11,962,057,730.78
  5. Step 5: Solve for x
    x = 11,962,057,730.78/144,085.38
  6. Step 6: Final answer
    x = 83,020.62

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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.