Home / 132,357.86-182,579.93-81,335.18

Finding the Fourth Proportional to 132,357.86, 182,579.93 and 81,335.18

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Solution

The fourth proportional to 132,357.86, 182,579.93 and 81,335.18 is: 112,197.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,357.86 : 182,579.93 = 81,335.18 : x
  2. Step 2: Convert to fraction form
    132,357.86/182,579.93 = 81,335.18/x
  3. Step 3: Cross multiply
    132,357.86x = 182,579.93 × 81,335.18
  4. Step 4: Simplify right side
    132,357.86x = 14,850,171,470.94
  5. Step 5: Solve for x
    x = 14,850,171,470.94/132,357.86
  6. Step 6: Final answer
    x = 112,197.13

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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.