Home / 113,488.20-170,232.30-102,601.80

Finding the Fourth Proportional to 113,488.20, 170,232.30 and 102,601.80

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Solution

The fourth proportional to 113,488.20, 170,232.30 and 102,601.80 is: 153,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,488.20 : 170,232.30 = 102,601.80 : x
  2. Step 2: Convert to fraction form
    113,488.20/170,232.30 = 102,601.80/x
  3. Step 3: Cross multiply
    113,488.20x = 170,232.30 × 102,601.80
  4. Step 4: Simplify right side
    113,488.20x = 17,466,140,398.14
  5. Step 5: Solve for x
    x = 17,466,140,398.14/113,488.20
  6. Step 6: Final answer
    x = 153,902.70

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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.