Home / 266,781.18-368,168.25-152,077.89

Finding the Fourth Proportional to 266,781.18, 368,168.25 and 152,077.89

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Solution

The fourth proportional to 266,781.18, 368,168.25 and 152,077.89 is: 209,873.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,781.18 : 368,168.25 = 152,077.89 : x
  2. Step 2: Convert to fraction form
    266,781.18/368,168.25 = 152,077.89/x
  3. Step 3: Cross multiply
    266,781.18x = 368,168.25 × 152,077.89
  4. Step 4: Simplify right side
    266,781.18x = 55,990,250,624.99
  5. Step 5: Solve for x
    x = 55,990,250,624.99/266,781.18
  6. Step 6: Final answer
    x = 209,873.31

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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.