Home / 132,218.15-182,208.27-129,788.76

Finding the Fourth Proportional to 132,218.15, 182,208.27 and 129,788.76

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Solution

The fourth proportional to 132,218.15, 182,208.27 and 129,788.76 is: 178,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,218.15 : 182,208.27 = 129,788.76 : x
  2. Step 2: Convert to fraction form
    132,218.15/182,208.27 = 129,788.76/x
  3. Step 3: Cross multiply
    132,218.15x = 182,208.27 × 129,788.76
  4. Step 4: Simplify right side
    132,218.15x = 23,648,584,776.10
  5. Step 5: Solve for x
    x = 23,648,584,776.10/132,218.15
  6. Step 6: Final answer
    x = 178,860.35

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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.