Home / 132,341.02-182,610.04-78,624.65

Finding the Fourth Proportional to 132,341.02, 182,610.04 and 78,624.65

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Solution

The fourth proportional to 132,341.02, 182,610.04 and 78,624.65 is: 108,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,341.02 : 182,610.04 = 78,624.65 : x
  2. Step 2: Convert to fraction form
    132,341.02/182,610.04 = 78,624.65/x
  3. Step 3: Cross multiply
    132,341.02x = 182,610.04 × 78,624.65
  4. Step 4: Simplify right side
    132,341.02x = 14,357,650,481.49
  5. Step 5: Solve for x
    x = 14,357,650,481.49/132,341.02
  6. Step 6: Final answer
    x = 108,489.80

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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.