Home / 158,391.33-218,580.03-94,729.13

Finding the Fourth Proportional to 158,391.33, 218,580.03 and 94,729.13

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Solution

The fourth proportional to 158,391.33, 218,580.03 and 94,729.13 is: 130,726.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,391.33 : 218,580.03 = 94,729.13 : x
  2. Step 2: Convert to fraction form
    158,391.33/218,580.03 = 94,729.13/x
  3. Step 3: Cross multiply
    158,391.33x = 218,580.03 × 94,729.13
  4. Step 4: Simplify right side
    158,391.33x = 20,705,894,984.37
  5. Step 5: Solve for x
    x = 20,705,894,984.37/158,391.33
  6. Step 6: Final answer
    x = 130,726.19

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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.