Home / 113,463.44-156,579.72-65,719.52

Finding the Fourth Proportional to 113,463.44, 156,579.72 and 65,719.52

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Solution

The fourth proportional to 113,463.44, 156,579.72 and 65,719.52 is: 90,693.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,463.44 : 156,579.72 = 65,719.52 : x
  2. Step 2: Convert to fraction form
    113,463.44/156,579.72 = 65,719.52/x
  3. Step 3: Cross multiply
    113,463.44x = 156,579.72 × 65,719.52
  4. Step 4: Simplify right side
    113,463.44x = 10,290,344,040.13
  5. Step 5: Solve for x
    x = 10,290,344,040.13/113,463.44
  6. Step 6: Final answer
    x = 90,693.04

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1.5x scale

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.