Home / 156,772.38-216,348.66-88,803.36

Finding the Fourth Proportional to 156,772.38, 216,348.66 and 88,803.36

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Solution

The fourth proportional to 156,772.38, 216,348.66 and 88,803.36 is: 122,550.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,772.38 : 216,348.66 = 88,803.36 : x
  2. Step 2: Convert to fraction form
    156,772.38/216,348.66 = 88,803.36/x
  3. Step 3: Cross multiply
    156,772.38x = 216,348.66 × 88,803.36
  4. Step 4: Simplify right side
    156,772.38x = 19,212,487,939.50
  5. Step 5: Solve for x
    x = 19,212,487,939.50/156,772.38
  6. Step 6: Final answer
    x = 122,550.21

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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.