Home / 113,463.20-170,146.20-57,281.60

Finding the Fourth Proportional to 113,463.20, 170,146.20 and 57,281.60

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Solution

The fourth proportional to 113,463.20, 170,146.20 and 57,281.60 is: 85,897.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,463.20 : 170,146.20 = 57,281.60 : x
  2. Step 2: Convert to fraction form
    113,463.20/170,146.20 = 57,281.60/x
  3. Step 3: Cross multiply
    113,463.20x = 170,146.20 × 57,281.60
  4. Step 4: Simplify right side
    113,463.20x = 9,746,246,569.92
  5. Step 5: Solve for x
    x = 9,746,246,569.92/113,463.20
  6. Step 6: Final answer
    x = 85,897.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.