Home / 321,928.10-482,892.15-202,955.30

Finding the Fourth Proportional to 321,928.10, 482,892.15 and 202,955.30

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Solution

The fourth proportional to 321,928.10, 482,892.15 and 202,955.30 is: 304,432.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,928.10 : 482,892.15 = 202,955.30 : x
  2. Step 2: Convert to fraction form
    321,928.10/482,892.15 = 202,955.30/x
  3. Step 3: Cross multiply
    321,928.10x = 482,892.15 × 202,955.30
  4. Step 4: Simplify right side
    321,928.10x = 98,005,521,170.90
  5. Step 5: Solve for x
    x = 98,005,521,170.90/321,928.10
  6. Step 6: Final answer
    x = 304,432.95

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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.