Home / 203,864.20-306,124.35-154,000.60

Finding the Fourth Proportional to 203,864.20, 306,124.35 and 154,000.60

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Solution

The fourth proportional to 203,864.20, 306,124.35 and 154,000.60 is: 231,248.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,864.20 : 306,124.35 = 154,000.60 : x
  2. Step 2: Convert to fraction form
    203,864.20/306,124.35 = 154,000.60/x
  3. Step 3: Cross multiply
    203,864.20x = 306,124.35 × 154,000.60
  4. Step 4: Simplify right side
    203,864.20x = 47,143,333,574.61
  5. Step 5: Solve for x
    x = 47,143,333,574.61/203,864.20
  6. Step 6: Final answer
    x = 231,248.71

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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.