Home / 134,575.32-185,711.54-74,151.55

Finding the Fourth Proportional to 134,575.32, 185,711.54 and 74,151.55

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Solution

The fourth proportional to 134,575.32, 185,711.54 and 74,151.55 is: 102,327.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,575.32 : 185,711.54 = 74,151.55 : x
  2. Step 2: Convert to fraction form
    134,575.32/185,711.54 = 74,151.55/x
  3. Step 3: Cross multiply
    134,575.32x = 185,711.54 × 74,151.55
  4. Step 4: Simplify right side
    134,575.32x = 13,770,798,405.27
  5. Step 5: Solve for x
    x = 13,770,798,405.27/134,575.32
  6. Step 6: Final answer
    x = 102,327.81

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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.