Home / 156,796.32-216,331.25-88,802.49

Finding the Fourth Proportional to 156,796.32, 216,331.25 and 88,802.49

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Solution

The fourth proportional to 156,796.32, 216,331.25 and 88,802.49 is: 122,520.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,796.32 : 216,331.25 = 88,802.49 : x
  2. Step 2: Convert to fraction form
    156,796.32/216,331.25 = 88,802.49/x
  3. Step 3: Cross multiply
    156,796.32x = 216,331.25 × 88,802.49
  4. Step 4: Simplify right side
    156,796.32x = 19,210,753,220.80
  5. Step 5: Solve for x
    x = 19,210,753,220.80/156,796.32
  6. Step 6: Final answer
    x = 122,520.43

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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.