Home / 113,301.64-169,915.20-38,402.56

Finding the Fourth Proportional to 113,301.64, 169,915.20 and 38,402.56

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Solution

The fourth proportional to 113,301.64, 169,915.20 and 38,402.56 is: 57,591.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,301.64 : 169,915.20 = 38,402.56 : x
  2. Step 2: Convert to fraction form
    113,301.64/169,915.20 = 38,402.56/x
  3. Step 3: Cross multiply
    113,301.64x = 169,915.20 × 38,402.56
  4. Step 4: Simplify right side
    113,301.64x = 6,525,178,662.91
  5. Step 5: Solve for x
    x = 6,525,178,662.91/113,301.64
  6. Step 6: Final answer
    x = 57,591.21

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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.