Home / 158,180.72-218,289.41-86,560.75

Finding the Fourth Proportional to 158,180.72, 218,289.41 and 86,560.75

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Solution

The fourth proportional to 158,180.72, 218,289.41 and 86,560.75 is: 119,453.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,180.72 : 218,289.41 = 86,560.75 : x
  2. Step 2: Convert to fraction form
    158,180.72/218,289.41 = 86,560.75/x
  3. Step 3: Cross multiply
    158,180.72x = 218,289.41 × 86,560.75
  4. Step 4: Simplify right side
    158,180.72x = 18,895,293,522.41
  5. Step 5: Solve for x
    x = 18,895,293,522.41/158,180.72
  6. Step 6: Final answer
    x = 119,453.83

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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.