Home / 113,273.91-156,279.08-70,237.90

Finding the Fourth Proportional to 113,273.91, 156,279.08 and 70,237.90

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Solution

The fourth proportional to 113,273.91, 156,279.08 and 70,237.90 is: 96,904.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,273.91 : 156,279.08 = 70,237.90 : x
  2. Step 2: Convert to fraction form
    113,273.91/156,279.08 = 70,237.90/x
  3. Step 3: Cross multiply
    113,273.91x = 156,279.08 × 70,237.90
  4. Step 4: Simplify right side
    113,273.91x = 10,976,714,862.85
  5. Step 5: Solve for x
    x = 10,976,714,862.85/113,273.91
  6. Step 6: Final answer
    x = 96,904.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.