Home / 136,477.80-204,744.24-57,591.72

Finding the Fourth Proportional to 136,477.80, 204,744.24 and 57,591.72

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Solution

The fourth proportional to 136,477.80, 204,744.24 and 57,591.72 is: 86,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,477.80 : 204,744.24 = 57,591.72 : x
  2. Step 2: Convert to fraction form
    136,477.80/204,744.24 = 57,591.72/x
  3. Step 3: Cross multiply
    136,477.80x = 204,744.24 × 57,591.72
  4. Step 4: Simplify right side
    136,477.80x = 11,791,572,941.69
  5. Step 5: Solve for x
    x = 11,791,572,941.69/136,477.80
  6. Step 6: Final answer
    x = 86,399.20

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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.