Home / 156,748.41-216,331.27-93,086.21

Finding the Fourth Proportional to 156,748.41, 216,331.27 and 93,086.21

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Solution

The fourth proportional to 156,748.41, 216,331.27 and 93,086.21 is: 128,469.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,748.41 : 216,331.27 = 93,086.21 : x
  2. Step 2: Convert to fraction form
    156,748.41/216,331.27 = 93,086.21/x
  3. Step 3: Cross multiply
    156,748.41x = 216,331.27 × 93,086.21
  4. Step 4: Simplify right side
    156,748.41x = 20,137,456,947.13
  5. Step 5: Solve for x
    x = 20,137,456,947.13/156,748.41
  6. Step 6: Final answer
    x = 128,469.93

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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.