Home / 156,946.86-216,590.94-85,331.70

Finding the Fourth Proportional to 156,946.86, 216,590.94 and 85,331.70

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Solution

The fourth proportional to 156,946.86, 216,590.94 and 85,331.70 is: 117,760.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,946.86 : 216,590.94 = 85,331.70 : x
  2. Step 2: Convert to fraction form
    156,946.86/216,590.94 = 85,331.70/x
  3. Step 3: Cross multiply
    156,946.86x = 216,590.94 × 85,331.70
  4. Step 4: Simplify right side
    156,946.86x = 18,482,073,114.80
  5. Step 5: Solve for x
    x = 18,482,073,114.80/156,946.86
  6. Step 6: Final answer
    x = 117,760.07

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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.