Home / 111,445.38-153,791.96-61,716.29

Finding the Fourth Proportional to 111,445.38, 153,791.96 and 61,716.29

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Solution

The fourth proportional to 111,445.38, 153,791.96 and 61,716.29 is: 85,167.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,445.38 : 153,791.96 = 61,716.29 : x
  2. Step 2: Convert to fraction form
    111,445.38/153,791.96 = 61,716.29/x
  3. Step 3: Cross multiply
    111,445.38x = 153,791.96 × 61,716.29
  4. Step 4: Simplify right side
    111,445.38x = 9,491,468,125.49
  5. Step 5: Solve for x
    x = 9,491,468,125.49/111,445.38
  6. Step 6: Final answer
    x = 85,167.00

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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.