Home / 159,499.19-239,280.24-45,648.07

Finding the Fourth Proportional to 159,499.19, 239,280.24 and 45,648.07

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Solution

The fourth proportional to 159,499.19, 239,280.24 and 45,648.07 is: 68,481.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,499.19 : 239,280.24 = 45,648.07 : x
  2. Step 2: Convert to fraction form
    159,499.19/239,280.24 = 45,648.07/x
  3. Step 3: Cross multiply
    159,499.19x = 239,280.24 × 45,648.07
  4. Step 4: Simplify right side
    159,499.19x = 10,922,681,145.14
  5. Step 5: Solve for x
    x = 10,922,681,145.14/159,499.19
  6. Step 6: Final answer
    x = 68,481.11

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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.