Home / 188,126.71-282,116.55-68,155.18

Finding the Fourth Proportional to 188,126.71, 282,116.55 and 68,155.18

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Solution

The fourth proportional to 188,126.71, 282,116.55 and 68,155.18 is: 102,206.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,126.71 : 282,116.55 = 68,155.18 : x
  2. Step 2: Convert to fraction form
    188,126.71/282,116.55 = 68,155.18/x
  3. Step 3: Cross multiply
    188,126.71x = 282,116.55 × 68,155.18
  4. Step 4: Simplify right side
    188,126.71x = 19,227,704,246.23
  5. Step 5: Solve for x
    x = 19,227,704,246.23/188,126.71
  6. Step 6: Final answer
    x = 102,206.14

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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.