Home / 412,821.32-619,508.14-150,165.32

Finding the Fourth Proportional to 412,821.32, 619,508.14 and 150,165.32

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Solution

The fourth proportional to 412,821.32, 619,508.14 and 150,165.32 is: 225,348.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,821.32 : 619,508.14 = 150,165.32 : x
  2. Step 2: Convert to fraction form
    412,821.32/619,508.14 = 150,165.32/x
  3. Step 3: Cross multiply
    412,821.32x = 619,508.14 × 150,165.32
  4. Step 4: Simplify right side
    412,821.32x = 93,028,638,085.70
  5. Step 5: Solve for x
    x = 93,028,638,085.70/412,821.32
  6. Step 6: Final answer
    x = 225,348.43

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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.