Home / 165,059.21-227,781.93-89,607.71

Finding the Fourth Proportional to 165,059.21, 227,781.93 and 89,607.71

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Solution

The fourth proportional to 165,059.21, 227,781.93 and 89,607.71 is: 123,658.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,059.21 : 227,781.93 = 89,607.71 : x
  2. Step 2: Convert to fraction form
    165,059.21/227,781.93 = 89,607.71/x
  3. Step 3: Cross multiply
    165,059.21x = 227,781.93 × 89,607.71
  4. Step 4: Simplify right side
    165,059.21x = 20,411,015,987.77
  5. Step 5: Solve for x
    x = 20,411,015,987.77/165,059.21
  6. Step 6: Final answer
    x = 123,658.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.