Home / 177,792.38-245,143.84-143,695.43

Finding the Fourth Proportional to 177,792.38, 245,143.84 and 143,695.43

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Solution

The fourth proportional to 177,792.38, 245,143.84 and 143,695.43 is: 198,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,792.38 : 245,143.84 = 143,695.43 : x
  2. Step 2: Convert to fraction form
    177,792.38/245,143.84 = 143,695.43/x
  3. Step 3: Cross multiply
    177,792.38x = 245,143.84 × 143,695.43
  4. Step 4: Simplify right side
    177,792.38x = 35,226,049,500.65
  5. Step 5: Solve for x
    x = 35,226,049,500.65/177,792.38
  6. Step 6: Final answer
    x = 198,130.25

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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.