Home / 186,001.89-278,900.76-86,107.02

Finding the Fourth Proportional to 186,001.89, 278,900.76 and 86,107.02

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Solution

The fourth proportional to 186,001.89, 278,900.76 and 86,107.02 is: 129,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,001.89 : 278,900.76 = 86,107.02 : x
  2. Step 2: Convert to fraction form
    186,001.89/278,900.76 = 86,107.02/x
  3. Step 3: Cross multiply
    186,001.89x = 278,900.76 × 86,107.02
  4. Step 4: Simplify right side
    186,001.89x = 24,015,313,319.34
  5. Step 5: Solve for x
    x = 24,015,313,319.34/186,001.89
  6. Step 6: Final answer
    x = 129,113.28

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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.