Home / 186,195.19-279,074.07-86,144.06

Finding the Fourth Proportional to 186,195.19, 279,074.07 and 86,144.06

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Solution

The fourth proportional to 186,195.19, 279,074.07 and 86,144.06 is: 129,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,195.19 : 279,074.07 = 86,144.06 : x
  2. Step 2: Convert to fraction form
    186,195.19/279,074.07 = 86,144.06/x
  3. Step 3: Cross multiply
    186,195.19x = 279,074.07 × 86,144.06
  4. Step 4: Simplify right side
    186,195.19x = 24,040,573,430.52
  5. Step 5: Solve for x
    x = 24,040,573,430.52/186,195.19
  6. Step 6: Final answer
    x = 129,114.90

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1.5x scale

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.