Home / 154,123.28-230,767.48-80,095.76

Finding the Fourth Proportional to 154,123.28, 230,767.48 and 80,095.76

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Solution

The fourth proportional to 154,123.28, 230,767.48 and 80,095.76 is: 119,926.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,123.28 : 230,767.48 = 80,095.76 : x
  2. Step 2: Convert to fraction form
    154,123.28/230,767.48 = 80,095.76/x
  3. Step 3: Cross multiply
    154,123.28x = 230,767.48 × 80,095.76
  4. Step 4: Simplify right side
    154,123.28x = 18,483,496,693.88
  5. Step 5: Solve for x
    x = 18,483,496,693.88/154,123.28
  6. Step 6: Final answer
    x = 119,926.70

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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.