Home / 113,522.20-170,301.30-38,649.40

Finding the Fourth Proportional to 113,522.20, 170,301.30 and 38,649.40

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Solution

The fourth proportional to 113,522.20, 170,301.30 and 38,649.40 is: 57,980.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,522.20 : 170,301.30 = 38,649.40 : x
  2. Step 2: Convert to fraction form
    113,522.20/170,301.30 = 38,649.40/x
  3. Step 3: Cross multiply
    113,522.20x = 170,301.30 × 38,649.40
  4. Step 4: Simplify right side
    113,522.20x = 6,582,043,064.22
  5. Step 5: Solve for x
    x = 6,582,043,064.22/113,522.20
  6. Step 6: Final answer
    x = 57,980.23

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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.