Home / 279,441.97-385,632.30-152,117.26

Finding the Fourth Proportional to 279,441.97, 385,632.30 and 152,117.26

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Solution

The fourth proportional to 279,441.97, 385,632.30 and 152,117.26 is: 209,923.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,441.97 : 385,632.30 = 152,117.26 : x
  2. Step 2: Convert to fraction form
    279,441.97/385,632.30 = 152,117.26/x
  3. Step 3: Cross multiply
    279,441.97x = 385,632.30 × 152,117.26
  4. Step 4: Simplify right side
    279,441.97x = 58,661,328,843.50
  5. Step 5: Solve for x
    x = 58,661,328,843.50/279,441.97
  6. Step 6: Final answer
    x = 209,923.12

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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.