Home / 266,171.22-398,852.85-195,141.15

Finding the Fourth Proportional to 266,171.22, 398,852.85 and 195,141.15

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Solution

The fourth proportional to 266,171.22, 398,852.85 and 195,141.15 is: 292,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,171.22 : 398,852.85 = 195,141.15 : x
  2. Step 2: Convert to fraction form
    266,171.22/398,852.85 = 195,141.15/x
  3. Step 3: Cross multiply
    266,171.22x = 398,852.85 × 195,141.15
  4. Step 4: Simplify right side
    266,171.22x = 77,832,603,829.78
  5. Step 5: Solve for x
    x = 77,832,603,829.78/266,171.22
  6. Step 6: Final answer
    x = 292,415.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.