Home / 152,616.80-228,925.20-47,446.40

Finding the Fourth Proportional to 152,616.80, 228,925.20 and 47,446.40

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Solution

The fourth proportional to 152,616.80, 228,925.20 and 47,446.40 is: 71,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,616.80 : 228,925.20 = 47,446.40 : x
  2. Step 2: Convert to fraction form
    152,616.80/228,925.20 = 47,446.40/x
  3. Step 3: Cross multiply
    152,616.80x = 228,925.20 × 47,446.40
  4. Step 4: Simplify right side
    152,616.80x = 10,861,676,609.28
  5. Step 5: Solve for x
    x = 10,861,676,609.28/152,616.80
  6. Step 6: Final answer
    x = 71,169.60

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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.