Home / 282,721.11-424,225.17-188,017.17

Finding the Fourth Proportional to 282,721.11, 424,225.17 and 188,017.17

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Solution

The fourth proportional to 282,721.11, 424,225.17 and 188,017.17 is: 282,121.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,721.11 : 424,225.17 = 188,017.17 : x
  2. Step 2: Convert to fraction form
    282,721.11/424,225.17 = 188,017.17/x
  3. Step 3: Cross multiply
    282,721.11x = 424,225.17 × 188,017.17
  4. Step 4: Simplify right side
    282,721.11x = 79,761,615,906.17
  5. Step 5: Solve for x
    x = 79,761,615,906.17/282,721.11
  6. Step 6: Final answer
    x = 282,121.19

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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.