Home / 113,218.30-169,822.05-38,331.10

Finding the Fourth Proportional to 113,218.30, 169,822.05 and 38,331.10

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Solution

The fourth proportional to 113,218.30, 169,822.05 and 38,331.10 is: 57,494.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,218.30 : 169,822.05 = 38,331.10 : x
  2. Step 2: Convert to fraction form
    113,218.30/169,822.05 = 38,331.10/x
  3. Step 3: Cross multiply
    113,218.30x = 169,822.05 × 38,331.10
  4. Step 4: Simplify right side
    113,218.30x = 6,509,465,980.76
  5. Step 5: Solve for x
    x = 6,509,465,980.76/113,218.30
  6. Step 6: Final answer
    x = 57,494.82

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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.