Home / 158,020.19-218,071.81-95,931.43

Finding the Fourth Proportional to 158,020.19, 218,071.81 and 95,931.43

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Solution

The fourth proportional to 158,020.19, 218,071.81 and 95,931.43 is: 132,387.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,020.19 : 218,071.81 = 95,931.43 : x
  2. Step 2: Convert to fraction form
    158,020.19/218,071.81 = 95,931.43/x
  3. Step 3: Cross multiply
    158,020.19x = 218,071.81 × 95,931.43
  4. Step 4: Simplify right side
    158,020.19x = 20,919,940,575.99
  5. Step 5: Solve for x
    x = 20,919,940,575.99/158,020.19
  6. Step 6: Final answer
    x = 132,387.77

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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.