Home / 91,293.66-136,159.65-88,119.27

Finding the Fourth Proportional to 91,293.66, 136,159.65 and 88,119.27

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Solution

The fourth proportional to 91,293.66, 136,159.65 and 88,119.27 is: 131,425.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,293.66 : 136,159.65 = 88,119.27 : x
  2. Step 2: Convert to fraction form
    91,293.66/136,159.65 = 88,119.27/x
  3. Step 3: Cross multiply
    91,293.66x = 136,159.65 × 88,119.27
  4. Step 4: Simplify right side
    91,293.66x = 11,998,288,961.46
  5. Step 5: Solve for x
    x = 11,998,288,961.46/91,293.66
  6. Step 6: Final answer
    x = 131,425.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.