Home / 150,926.76-208,207.16-108,509.90

Finding the Fourth Proportional to 150,926.76, 208,207.16 and 108,509.90

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Solution

The fourth proportional to 150,926.76, 208,207.16 and 108,509.90 is: 149,692.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,926.76 : 208,207.16 = 108,509.90 : x
  2. Step 2: Convert to fraction form
    150,926.76/208,207.16 = 108,509.90/x
  3. Step 3: Cross multiply
    150,926.76x = 208,207.16 × 108,509.90
  4. Step 4: Simplify right side
    150,926.76x = 22,592,536,934.21
  5. Step 5: Solve for x
    x = 22,592,536,934.21/150,926.76
  6. Step 6: Final answer
    x = 149,692.06

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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.