Home / 156,049.32-215,347.95-88,080.60

Finding the Fourth Proportional to 156,049.32, 215,347.95 and 88,080.60

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Solution

The fourth proportional to 156,049.32, 215,347.95 and 88,080.60 is: 121,551.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,049.32 : 215,347.95 = 88,080.60 : x
  2. Step 2: Convert to fraction form
    156,049.32/215,347.95 = 88,080.60/x
  3. Step 3: Cross multiply
    156,049.32x = 215,347.95 × 88,080.60
  4. Step 4: Simplify right side
    156,049.32x = 18,967,976,644.77
  5. Step 5: Solve for x
    x = 18,967,976,644.77/156,049.32
  6. Step 6: Final answer
    x = 121,551.17

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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.