Home / 186,821.67-280,381.96-98,127.48

Finding the Fourth Proportional to 186,821.67, 280,381.96 and 98,127.48

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Solution

The fourth proportional to 186,821.67, 280,381.96 and 98,127.48 is: 147,269.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,821.67 : 280,381.96 = 98,127.48 : x
  2. Step 2: Convert to fraction form
    186,821.67/280,381.96 = 98,127.48/x
  3. Step 3: Cross multiply
    186,821.67x = 280,381.96 × 98,127.48
  4. Step 4: Simplify right side
    186,821.67x = 27,513,175,794.39
  5. Step 5: Solve for x
    x = 27,513,175,794.39/186,821.67
  6. Step 6: Final answer
    x = 147,269.72

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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.