Home / 156,863.07-216,470.86-85,242.94

Finding the Fourth Proportional to 156,863.07, 216,470.86 and 85,242.94

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Solution

The fourth proportional to 156,863.07, 216,470.86 and 85,242.94 is: 117,635.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,863.07 : 216,470.86 = 85,242.94 : x
  2. Step 2: Convert to fraction form
    156,863.07/216,470.86 = 85,242.94/x
  3. Step 3: Cross multiply
    156,863.07x = 216,470.86 × 85,242.94
  4. Step 4: Simplify right side
    156,863.07x = 18,452,612,530.73
  5. Step 5: Solve for x
    x = 18,452,612,530.73/156,863.07
  6. Step 6: Final answer
    x = 117,635.16

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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.