Home / 134,339.11-185,414.46-77,016.91

Finding the Fourth Proportional to 134,339.11, 185,414.46 and 77,016.91

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Solution

The fourth proportional to 134,339.11, 185,414.46 and 77,016.91 is: 106,298.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,339.11 : 185,414.46 = 77,016.91 : x
  2. Step 2: Convert to fraction form
    134,339.11/185,414.46 = 77,016.91/x
  3. Step 3: Cross multiply
    134,339.11x = 185,414.46 × 77,016.91
  4. Step 4: Simplify right side
    134,339.11x = 14,280,048,778.52
  5. Step 5: Solve for x
    x = 14,280,048,778.52/134,339.11
  6. Step 6: Final answer
    x = 106,298.52

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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.