Home / 205,035.20-282,948.78-120,152.19

Finding the Fourth Proportional to 205,035.20, 282,948.78 and 120,152.19

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Solution

The fourth proportional to 205,035.20, 282,948.78 and 120,152.19 is: 165,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,035.20 : 282,948.78 = 120,152.19 : x
  2. Step 2: Convert to fraction form
    205,035.20/282,948.78 = 120,152.19/x
  3. Step 3: Cross multiply
    205,035.20x = 282,948.78 × 120,152.19
  4. Step 4: Simplify right side
    205,035.20x = 33,996,914,974.07
  5. Step 5: Solve for x
    x = 33,996,914,974.07/205,035.20
  6. Step 6: Final answer
    x = 165,810.14

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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.