Home / 132,547.24-182,854.92-78,801.76

Finding the Fourth Proportional to 132,547.24, 182,854.92 and 78,801.76

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Solution

The fourth proportional to 132,547.24, 182,854.92 and 78,801.76 is: 108,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,547.24 : 182,854.92 = 78,801.76 : x
  2. Step 2: Convert to fraction form
    132,547.24/182,854.92 = 78,801.76/x
  3. Step 3: Cross multiply
    132,547.24x = 182,854.92 × 78,801.76
  4. Step 4: Simplify right side
    132,547.24x = 14,409,289,520.66
  5. Step 5: Solve for x
    x = 14,409,289,520.66/132,547.24
  6. Step 6: Final answer
    x = 108,710.60

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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.