Home / 193,505.13-267,036.89-108,622.35

Finding the Fourth Proportional to 193,505.13, 267,036.89 and 108,622.35

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Solution

The fourth proportional to 193,505.13, 267,036.89 and 108,622.35 is: 149,898.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,505.13 : 267,036.89 = 108,622.35 : x
  2. Step 2: Convert to fraction form
    193,505.13/267,036.89 = 108,622.35/x
  3. Step 3: Cross multiply
    193,505.13x = 267,036.89 × 108,622.35
  4. Step 4: Simplify right side
    193,505.13x = 29,006,173,985.38
  5. Step 5: Solve for x
    x = 29,006,173,985.38/193,505.13
  6. Step 6: Final answer
    x = 149,898.73

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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.