Home / 269,835.40-372,363.18-148,974.20

Finding the Fourth Proportional to 269,835.40, 372,363.18 and 148,974.20

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Solution

The fourth proportional to 269,835.40, 372,363.18 and 148,974.20 is: 205,579.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,835.40 : 372,363.18 = 148,974.20 : x
  2. Step 2: Convert to fraction form
    269,835.40/372,363.18 = 148,974.20/x
  3. Step 3: Cross multiply
    269,835.40x = 372,363.18 × 148,974.20
  4. Step 4: Simplify right side
    269,835.40x = 55,472,506,849.96
  5. Step 5: Solve for x
    x = 55,472,506,849.96/269,835.40
  6. Step 6: Final answer
    x = 205,579.06

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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.