Home / 156,240.64-215,627.52-89,182.72

Finding the Fourth Proportional to 156,240.64, 215,627.52 and 89,182.72

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Solution

The fourth proportional to 156,240.64, 215,627.52 and 89,182.72 is: 123,080.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,240.64 : 215,627.52 = 89,182.72 : x
  2. Step 2: Convert to fraction form
    156,240.64/215,627.52 = 89,182.72/x
  3. Step 3: Cross multiply
    156,240.64x = 215,627.52 × 89,182.72
  4. Step 4: Simplify right side
    156,240.64x = 19,230,248,740.45
  5. Step 5: Solve for x
    x = 19,230,248,740.45/156,240.64
  6. Step 6: Final answer
    x = 123,080.96

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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.