Home / 158,179.45-218,287.63-86,559.48

Finding the Fourth Proportional to 158,179.45, 218,287.63 and 86,559.48

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Solution

The fourth proportional to 158,179.45, 218,287.63 and 86,559.48 is: 119,452.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,179.45 : 218,287.63 = 86,559.48 : x
  2. Step 2: Convert to fraction form
    158,179.45/218,287.63 = 86,559.48/x
  3. Step 3: Cross multiply
    158,179.45x = 218,287.63 × 86,559.48
  4. Step 4: Simplify right side
    158,179.45x = 18,894,863,743.23
  5. Step 5: Solve for x
    x = 18,894,863,743.23/158,179.45
  6. Step 6: Final answer
    x = 119,452.08

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1.5x scale

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.