Home / 218,943.24-302,141.22-118,341

Finding the Fourth Proportional to 218,943.24, 302,141.22 and 118,341

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Solution

The fourth proportional to 218,943.24, 302,141.22 and 118,341 is: 163,310.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,943.24 : 302,141.22 = 118,341 : x
  2. Step 2: Convert to fraction form
    218,943.24/302,141.22 = 118,341/x
  3. Step 3: Cross multiply
    218,943.24x = 302,141.22 × 118,341
  4. Step 4: Simplify right side
    218,943.24x = 35,755,694,116.02
  5. Step 5: Solve for x
    x = 35,755,694,116.02/218,943.24
  6. Step 6: Final answer
    x = 163,310.34

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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.