Home / 132,356.22-182,559.20-87,019.71

Finding the Fourth Proportional to 132,356.22, 182,559.20 and 87,019.71

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Solution

The fourth proportional to 132,356.22, 182,559.20 and 87,019.71 is: 120,026.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,356.22 : 182,559.20 = 87,019.71 : x
  2. Step 2: Convert to fraction form
    132,356.22/182,559.20 = 87,019.71/x
  3. Step 3: Cross multiply
    132,356.22x = 182,559.20 × 87,019.71
  4. Step 4: Simplify right side
    132,356.22x = 15,886,248,641.83
  5. Step 5: Solve for x
    x = 15,886,248,641.83/132,356.22
  6. Step 6: Final answer
    x = 120,026.46

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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.