Home / 302,721.06-417,755.17-175,470.47

Finding the Fourth Proportional to 302,721.06, 417,755.17 and 175,470.47

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Solution

The fourth proportional to 302,721.06, 417,755.17 and 175,470.47 is: 242,149.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,721.06 : 417,755.17 = 175,470.47 : x
  2. Step 2: Convert to fraction form
    302,721.06/417,755.17 = 175,470.47/x
  3. Step 3: Cross multiply
    302,721.06x = 417,755.17 × 175,470.47
  4. Step 4: Simplify right side
    302,721.06x = 73,303,696,024.83
  5. Step 5: Solve for x
    x = 73,303,696,024.83/302,721.06
  6. Step 6: Final answer
    x = 242,149.31

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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.