Home / 314,449.20-433,872.48-187,099.92

Finding the Fourth Proportional to 314,449.20, 433,872.48 and 187,099.92

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Solution

The fourth proportional to 314,449.20, 433,872.48 and 187,099.92 is: 258,157.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,449.20 : 433,872.48 = 187,099.92 : x
  2. Step 2: Convert to fraction form
    314,449.20/433,872.48 = 187,099.92/x
  3. Step 3: Cross multiply
    314,449.20x = 433,872.48 × 187,099.92
  4. Step 4: Simplify right side
    314,449.20x = 81,177,506,298.20
  5. Step 5: Solve for x
    x = 81,177,506,298.20/314,449.20
  6. Step 6: Final answer
    x = 258,157.78

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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.