Home / 156,680.04-216,218.46-85,059.96

Finding the Fourth Proportional to 156,680.04, 216,218.46 and 85,059.96

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Solution

The fourth proportional to 156,680.04, 216,218.46 and 85,059.96 is: 117,382.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,680.04 : 216,218.46 = 85,059.96 : x
  2. Step 2: Convert to fraction form
    156,680.04/216,218.46 = 85,059.96/x
  3. Step 3: Cross multiply
    156,680.04x = 216,218.46 × 85,059.96
  4. Step 4: Simplify right side
    156,680.04x = 18,391,533,558.86
  5. Step 5: Solve for x
    x = 18,391,533,558.86/156,680.04
  6. Step 6: Final answer
    x = 117,382.75

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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.