Home / 113,549.20-169,920.60-98,918.80

Finding the Fourth Proportional to 113,549.20, 169,920.60 and 98,918.80

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Solution

The fourth proportional to 113,549.20, 169,920.60 and 98,918.80 is: 148,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,549.20 : 169,920.60 = 98,918.80 : x
  2. Step 2: Convert to fraction form
    113,549.20/169,920.60 = 98,918.80/x
  3. Step 3: Cross multiply
    113,549.20x = 169,920.60 × 98,918.80
  4. Step 4: Simplify right side
    113,549.20x = 16,808,341,847.28
  5. Step 5: Solve for x
    x = 16,808,341,847.28/113,549.20
  6. Step 6: Final answer
    x = 148,026.95

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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.