Home / 132,570.85-182,951.62-72,145.39

Finding the Fourth Proportional to 132,570.85, 182,951.62 and 72,145.39

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Solution

The fourth proportional to 132,570.85, 182,951.62 and 72,145.39 is: 99,562.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,570.85 : 182,951.62 = 72,145.39 : x
  2. Step 2: Convert to fraction form
    132,570.85/182,951.62 = 72,145.39/x
  3. Step 3: Cross multiply
    132,570.85x = 182,951.62 × 72,145.39
  4. Step 4: Simplify right side
    132,570.85x = 13,199,116,773.21
  5. Step 5: Solve for x
    x = 13,199,116,773.21/132,570.85
  6. Step 6: Final answer
    x = 99,562.74

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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.