Home / 156,616.80-234,925.20-51,446.40

Finding the Fourth Proportional to 156,616.80, 234,925.20 and 51,446.40

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Solution

The fourth proportional to 156,616.80, 234,925.20 and 51,446.40 is: 77,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,616.80 : 234,925.20 = 51,446.40 : x
  2. Step 2: Convert to fraction form
    156,616.80/234,925.20 = 51,446.40/x
  3. Step 3: Cross multiply
    156,616.80x = 234,925.20 × 51,446.40
  4. Step 4: Simplify right side
    156,616.80x = 12,086,055,809.28
  5. Step 5: Solve for x
    x = 12,086,055,809.28/156,616.80
  6. Step 6: Final answer
    x = 77,169.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.