Home / 205,763.16-284,114.26-157,940.76

Finding the Fourth Proportional to 205,763.16, 284,114.26 and 157,940.76

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Solution

The fourth proportional to 205,763.16, 284,114.26 and 157,940.76 is: 218,081.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,763.16 : 284,114.26 = 157,940.76 : x
  2. Step 2: Convert to fraction form
    205,763.16/284,114.26 = 157,940.76/x
  3. Step 3: Cross multiply
    205,763.16x = 284,114.26 × 157,940.76
  4. Step 4: Simplify right side
    205,763.16x = 44,873,222,151.24
  5. Step 5: Solve for x
    x = 44,873,222,151.24/205,763.16
  6. Step 6: Final answer
    x = 218,081.91

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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.