Home / 113,126.31-169,689.87-38,247.12

Finding the Fourth Proportional to 113,126.31, 169,689.87 and 38,247.12

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Solution

The fourth proportional to 113,126.31, 169,689.87 and 38,247.12 is: 57,370.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,126.31 : 169,689.87 = 38,247.12 : x
  2. Step 2: Convert to fraction form
    113,126.31/169,689.87 = 38,247.12/x
  3. Step 3: Cross multiply
    113,126.31x = 169,689.87 × 38,247.12
  4. Step 4: Simplify right side
    113,126.31x = 6,490,148,820.67
  5. Step 5: Solve for x
    x = 6,490,148,820.67/113,126.31
  6. Step 6: Final answer
    x = 57,370.82

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1.5x scale

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.