Home / 269,801.20-372,328.67-148,942.55

Finding the Fourth Proportional to 269,801.20, 372,328.67 and 148,942.55

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Solution

The fourth proportional to 269,801.20, 372,328.67 and 148,942.55 is: 205,542.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,801.20 : 372,328.67 = 148,942.55 : x
  2. Step 2: Convert to fraction form
    269,801.20/372,328.67 = 148,942.55/x
  3. Step 3: Cross multiply
    269,801.20x = 372,328.67 × 148,942.55
  4. Step 4: Simplify right side
    269,801.20x = 55,455,581,547.91
  5. Step 5: Solve for x
    x = 55,455,581,547.91/269,801.20
  6. Step 6: Final answer
    x = 205,542.38

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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.