Home / 132,566.18-182,937.65-72,135.42

Finding the Fourth Proportional to 132,566.18, 182,937.65 and 72,135.42

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Solution

The fourth proportional to 132,566.18, 182,937.65 and 72,135.42 is: 99,544.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,566.18 : 182,937.65 = 72,135.42 : x
  2. Step 2: Convert to fraction form
    132,566.18/182,937.65 = 72,135.42/x
  3. Step 3: Cross multiply
    132,566.18x = 182,937.65 × 72,135.42
  4. Step 4: Simplify right side
    132,566.18x = 13,196,284,216.56
  5. Step 5: Solve for x
    x = 13,196,284,216.56/132,566.18
  6. Step 6: Final answer
    x = 99,544.88

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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.