Home / 156,060.93-215,364.83-88,080.76

Finding the Fourth Proportional to 156,060.93, 215,364.83 and 88,080.76

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Solution

The fourth proportional to 156,060.93, 215,364.83 and 88,080.76 is: 121,551.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,060.93 : 215,364.83 = 88,080.76 : x
  2. Step 2: Convert to fraction form
    156,060.93/215,364.83 = 88,080.76/x
  3. Step 3: Cross multiply
    156,060.93x = 215,364.83 × 88,080.76
  4. Step 4: Simplify right side
    156,060.93x = 18,969,497,903.67
  5. Step 5: Solve for x
    x = 18,969,497,903.67/156,060.93
  6. Step 6: Final answer
    x = 121,551.87

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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.