Home / 269,768.29-372,280.18-148,909.55

Finding the Fourth Proportional to 269,768.29, 372,280.18 and 148,909.55

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Solution

The fourth proportional to 269,768.29, 372,280.18 and 148,909.55 is: 205,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,768.29 : 372,280.18 = 148,909.55 : x
  2. Step 2: Convert to fraction form
    269,768.29/372,280.18 = 148,909.55/x
  3. Step 3: Cross multiply
    269,768.29x = 372,280.18 × 148,909.55
  4. Step 4: Simplify right side
    269,768.29x = 55,436,074,077.72
  5. Step 5: Solve for x
    x = 55,436,074,077.72/269,768.29
  6. Step 6: Final answer
    x = 205,495.15

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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.