Home / 113,335.22-156,392.96-65,591.52

Finding the Fourth Proportional to 113,335.22, 156,392.96 and 65,591.52

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Solution

The fourth proportional to 113,335.22, 156,392.96 and 65,591.52 is: 90,510.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,335.22 : 156,392.96 = 65,591.52 : x
  2. Step 2: Convert to fraction form
    113,335.22/156,392.96 = 65,591.52/x
  3. Step 3: Cross multiply
    113,335.22x = 156,392.96 × 65,591.52
  4. Step 4: Simplify right side
    113,335.22x = 10,258,051,635.74
  5. Step 5: Solve for x
    x = 10,258,051,635.74/113,335.22
  6. Step 6: Final answer
    x = 90,510.72

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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.