Home / 134,352.32-185,406.18-73,921.64

Finding the Fourth Proportional to 134,352.32, 185,406.18 and 73,921.64

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Solution

The fourth proportional to 134,352.32, 185,406.18 and 73,921.64 is: 102,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,352.32 : 185,406.18 = 73,921.64 : x
  2. Step 2: Convert to fraction form
    134,352.32/185,406.18 = 73,921.64/x
  3. Step 3: Cross multiply
    134,352.32x = 185,406.18 × 73,921.64
  4. Step 4: Simplify right side
    134,352.32x = 13,705,528,891.74
  5. Step 5: Solve for x
    x = 13,705,528,891.74/134,352.32
  6. Step 6: Final answer
    x = 102,011.85

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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.