Home / 134,431.14-185,508.55-74,000.52

Finding the Fourth Proportional to 134,431.14, 185,508.55 and 74,000.52

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Solution

The fourth proportional to 134,431.14, 185,508.55 and 74,000.52 is: 102,117.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,431.14 : 185,508.55 = 74,000.52 : x
  2. Step 2: Convert to fraction form
    134,431.14/185,508.55 = 74,000.52/x
  3. Step 3: Cross multiply
    134,431.14x = 185,508.55 × 74,000.52
  4. Step 4: Simplify right side
    134,431.14x = 13,727,729,164.45
  5. Step 5: Solve for x
    x = 13,727,729,164.45/134,431.14
  6. Step 6: Final answer
    x = 102,117.18

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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.