Home / 158,546.79-218,795.45-94,868.91

Finding the Fourth Proportional to 158,546.79, 218,795.45 and 94,868.91

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Solution

The fourth proportional to 158,546.79, 218,795.45 and 94,868.91 is: 130,919.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,546.79 : 218,795.45 = 94,868.91 : x
  2. Step 2: Convert to fraction form
    158,546.79/218,795.45 = 94,868.91/x
  3. Step 3: Cross multiply
    158,546.79x = 218,795.45 × 94,868.91
  4. Step 4: Simplify right side
    158,546.79x = 20,756,885,380.12
  5. Step 5: Solve for x
    x = 20,756,885,380.12/158,546.79
  6. Step 6: Final answer
    x = 130,919.62

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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.