Home / 113,856.84-156,976.18-93,363.64

Finding the Fourth Proportional to 113,856.84, 156,976.18 and 93,363.64

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Solution

The fourth proportional to 113,856.84, 156,976.18 and 93,363.64 is: 128,721.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,856.84 : 156,976.18 = 93,363.64 : x
  2. Step 2: Convert to fraction form
    113,856.84/156,976.18 = 93,363.64/x
  3. Step 3: Cross multiply
    113,856.84x = 156,976.18 × 93,363.64
  4. Step 4: Simplify right side
    113,856.84x = 14,655,866,932.25
  5. Step 5: Solve for x
    x = 14,655,866,932.25/113,856.84
  6. Step 6: Final answer
    x = 128,721.88

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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.