Home / 159,023.34-238,535.16-74,721.68

Finding the Fourth Proportional to 159,023.34, 238,535.16 and 74,721.68

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Solution

The fourth proportional to 159,023.34, 238,535.16 and 74,721.68 is: 112,082.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,023.34 : 238,535.16 = 74,721.68 : x
  2. Step 2: Convert to fraction form
    159,023.34/238,535.16 = 74,721.68/x
  3. Step 3: Cross multiply
    159,023.34x = 238,535.16 × 74,721.68
  4. Step 4: Simplify right side
    159,023.34x = 17,823,747,894.27
  5. Step 5: Solve for x
    x = 17,823,747,894.27/159,023.34
  6. Step 6: Final answer
    x = 112,082.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.