Home / 239,278.65-358,579.32-132,709.51

Finding the Fourth Proportional to 239,278.65, 358,579.32 and 132,709.51

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Solution

The fourth proportional to 239,278.65, 358,579.32 and 132,709.51 is: 198,876.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,278.65 : 358,579.32 = 132,709.51 : x
  2. Step 2: Convert to fraction form
    239,278.65/358,579.32 = 132,709.51/x
  3. Step 3: Cross multiply
    239,278.65x = 358,579.32 × 132,709.51
  4. Step 4: Simplify right side
    239,278.65x = 47,586,885,853.33
  5. Step 5: Solve for x
    x = 47,586,885,853.33/239,278.65
  6. Step 6: Final answer
    x = 198,876.44

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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.