Home / 150,234.24-207,356.16-99,255.36

Finding the Fourth Proportional to 150,234.24, 207,356.16 and 99,255.36

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Solution

The fourth proportional to 150,234.24, 207,356.16 and 99,255.36 is: 136,994.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,234.24 : 207,356.16 = 99,255.36 : x
  2. Step 2: Convert to fraction form
    150,234.24/207,356.16 = 99,255.36/x
  3. Step 3: Cross multiply
    150,234.24x = 207,356.16 × 99,255.36
  4. Step 4: Simplify right side
    150,234.24x = 20,581,210,309.02
  5. Step 5: Solve for x
    x = 20,581,210,309.02/150,234.24
  6. Step 6: Final answer
    x = 136,994.14

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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.