Home / 143,954.13-215,838.69-59,772.42

Finding the Fourth Proportional to 143,954.13, 215,838.69 and 59,772.42

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Solution

The fourth proportional to 143,954.13, 215,838.69 and 59,772.42 is: 89,620.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,954.13 : 215,838.69 = 59,772.42 : x
  2. Step 2: Convert to fraction form
    143,954.13/215,838.69 = 59,772.42/x
  3. Step 3: Cross multiply
    143,954.13x = 215,838.69 × 59,772.42
  4. Step 4: Simplify right side
    143,954.13x = 12,901,200,830.93
  5. Step 5: Solve for x
    x = 12,901,200,830.93/143,954.13
  6. Step 6: Final answer
    x = 89,620.22

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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.