Home / 156,052.88-215,359.09-88,072.23

Finding the Fourth Proportional to 156,052.88, 215,359.09 and 88,072.23

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Solution

The fourth proportional to 156,052.88, 215,359.09 and 88,072.23 is: 121,543.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,052.88 : 215,359.09 = 88,072.23 : x
  2. Step 2: Convert to fraction form
    156,052.88/215,359.09 = 88,072.23/x
  3. Step 3: Cross multiply
    156,052.88x = 215,359.09 × 88,072.23
  4. Step 4: Simplify right side
    156,052.88x = 18,967,155,230.25
  5. Step 5: Solve for x
    x = 18,967,155,230.25/156,052.88
  6. Step 6: Final answer
    x = 121,543.13

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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.