Home / 293,020.20-439,530.30-182,428.20

Finding the Fourth Proportional to 293,020.20, 439,530.30 and 182,428.20

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Solution

The fourth proportional to 293,020.20, 439,530.30 and 182,428.20 is: 273,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,020.20 : 439,530.30 = 182,428.20 : x
  2. Step 2: Convert to fraction form
    293,020.20/439,530.30 = 182,428.20/x
  3. Step 3: Cross multiply
    293,020.20x = 439,530.30 × 182,428.20
  4. Step 4: Simplify right side
    293,020.20x = 80,182,721,474.46
  5. Step 5: Solve for x
    x = 80,182,721,474.46/293,020.20
  6. Step 6: Final answer
    x = 273,642.30

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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.