Home / 143,877.76-215,816.64-60,772.48

Finding the Fourth Proportional to 143,877.76, 215,816.64 and 60,772.48

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Solution

The fourth proportional to 143,877.76, 215,816.64 and 60,772.48 is: 91,158.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,877.76 : 215,816.64 = 60,772.48 : x
  2. Step 2: Convert to fraction form
    143,877.76/215,816.64 = 60,772.48/x
  3. Step 3: Cross multiply
    143,877.76x = 215,816.64 × 60,772.48
  4. Step 4: Simplify right side
    143,877.76x = 13,115,712,438.07
  5. Step 5: Solve for x
    x = 13,115,712,438.07/143,877.76
  6. Step 6: Final answer
    x = 91,158.72

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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.