Home / 151,910.16-209,621.88-88,247.04

Finding the Fourth Proportional to 151,910.16, 209,621.88 and 88,247.04

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Solution

The fourth proportional to 151,910.16, 209,621.88 and 88,247.04 is: 121,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,910.16 : 209,621.88 = 88,247.04 : x
  2. Step 2: Convert to fraction form
    151,910.16/209,621.88 = 88,247.04/x
  3. Step 3: Cross multiply
    151,910.16x = 209,621.88 × 88,247.04
  4. Step 4: Simplify right side
    151,910.16x = 18,498,510,429.24
  5. Step 5: Solve for x
    x = 18,498,510,429.24/151,910.16
  6. Step 6: Final answer
    x = 121,772.70

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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.