Home / 134,535.02-185,658.53-74,105.87

Finding the Fourth Proportional to 134,535.02, 185,658.53 and 74,105.87

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Solution

The fourth proportional to 134,535.02, 185,658.53 and 74,105.87 is: 102,266.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,535.02 : 185,658.53 = 74,105.87 : x
  2. Step 2: Convert to fraction form
    134,535.02/185,658.53 = 74,105.87/x
  3. Step 3: Cross multiply
    134,535.02x = 185,658.53 × 74,105.87
  4. Step 4: Simplify right side
    134,535.02x = 13,758,385,589.75
  5. Step 5: Solve for x
    x = 13,758,385,589.75/134,535.02
  6. Step 6: Final answer
    x = 102,266.21

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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.