Home / 132,320.89-182,589.63-74,948.76

Finding the Fourth Proportional to 132,320.89, 182,589.63 and 74,948.76

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Solution

The fourth proportional to 132,320.89, 182,589.63 and 74,948.76 is: 103,421.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,320.89 : 182,589.63 = 74,948.76 : x
  2. Step 2: Convert to fraction form
    132,320.89/182,589.63 = 74,948.76/x
  3. Step 3: Cross multiply
    132,320.89x = 182,589.63 × 74,948.76
  4. Step 4: Simplify right side
    132,320.89x = 13,684,866,076.30
  5. Step 5: Solve for x
    x = 13,684,866,076.30/132,320.89
  6. Step 6: Final answer
    x = 103,421.81

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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.