Home / 113,344.74-156,406.04-65,601.02

Finding the Fourth Proportional to 113,344.74, 156,406.04 and 65,601.02

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Solution

The fourth proportional to 113,344.74, 156,406.04 and 65,601.02 is: 90,523.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,344.74 : 156,406.04 = 65,601.02 : x
  2. Step 2: Convert to fraction form
    113,344.74/156,406.04 = 65,601.02/x
  3. Step 3: Cross multiply
    113,344.74x = 156,406.04 × 65,601.02
  4. Step 4: Simplify right side
    113,344.74x = 10,260,395,758.16
  5. Step 5: Solve for x
    x = 10,260,395,758.16/113,344.74
  6. Step 6: Final answer
    x = 90,523.79

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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.