Home / 109,731.40-164,597.10-101,177.80

Finding the Fourth Proportional to 109,731.40, 164,597.10 and 101,177.80

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Solution

The fourth proportional to 109,731.40, 164,597.10 and 101,177.80 is: 151,766.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,731.40 : 164,597.10 = 101,177.80 : x
  2. Step 2: Convert to fraction form
    109,731.40/164,597.10 = 101,177.80/x
  3. Step 3: Cross multiply
    109,731.40x = 164,597.10 × 101,177.80
  4. Step 4: Simplify right side
    109,731.40x = 16,653,572,464.38
  5. Step 5: Solve for x
    x = 16,653,572,464.38/109,731.40
  6. Step 6: Final answer
    x = 151,766.70

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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.