Home / 150,924.76-208,263.96-87,266.65

Finding the Fourth Proportional to 150,924.76, 208,263.96 and 87,266.65

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Solution

The fourth proportional to 150,924.76, 208,263.96 and 87,266.65 is: 120,420.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,924.76 : 208,263.96 = 87,266.65 : x
  2. Step 2: Convert to fraction form
    150,924.76/208,263.96 = 87,266.65/x
  3. Step 3: Cross multiply
    150,924.76x = 208,263.96 × 87,266.65
  4. Step 4: Simplify right side
    150,924.76x = 18,174,498,104.93
  5. Step 5: Solve for x
    x = 18,174,498,104.93/150,924.76
  6. Step 6: Final answer
    x = 120,420.92

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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.