Home / 132,291.52-182,559.23-71,860.81

Finding the Fourth Proportional to 132,291.52, 182,559.23 and 71,860.81

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Solution

The fourth proportional to 132,291.52, 182,559.23 and 71,860.81 is: 99,166.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,291.52 : 182,559.23 = 71,860.81 : x
  2. Step 2: Convert to fraction form
    132,291.52/182,559.23 = 71,860.81/x
  3. Step 3: Cross multiply
    132,291.52x = 182,559.23 × 71,860.81
  4. Step 4: Simplify right side
    132,291.52x = 13,118,854,140.78
  5. Step 5: Solve for x
    x = 13,118,854,140.78/132,291.52
  6. Step 6: Final answer
    x = 99,166.25

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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.