Home / 132,440.30-182,766.66-72,010.92

Finding the Fourth Proportional to 132,440.30, 182,766.66 and 72,010.92

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Solution

The fourth proportional to 132,440.30, 182,766.66 and 72,010.92 is: 99,374.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,440.30 : 182,766.66 = 72,010.92 : x
  2. Step 2: Convert to fraction form
    132,440.30/182,766.66 = 72,010.92/x
  3. Step 3: Cross multiply
    132,440.30x = 182,766.66 × 72,010.92
  4. Step 4: Simplify right side
    132,440.30x = 13,161,196,152.32
  5. Step 5: Solve for x
    x = 13,161,196,152.32/132,440.30
  6. Step 6: Final answer
    x = 99,374.56

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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.