Home / 113,335.47-156,393.30-65,591.77

Finding the Fourth Proportional to 113,335.47, 156,393.30 and 65,591.77

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Solution

The fourth proportional to 113,335.47, 156,393.30 and 65,591.77 is: 90,511.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,335.47 : 156,393.30 = 65,591.77 : x
  2. Step 2: Convert to fraction form
    113,335.47/156,393.30 = 65,591.77/x
  3. Step 3: Cross multiply
    113,335.47x = 156,393.30 × 65,591.77
  4. Step 4: Simplify right side
    113,335.47x = 10,258,113,363.14
  5. Step 5: Solve for x
    x = 10,258,113,363.14/113,335.47
  6. Step 6: Final answer
    x = 90,511.06

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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.