Home / 158,920.04-238,348.54-78,874.52

Finding the Fourth Proportional to 158,920.04, 238,348.54 and 78,874.52

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Solution

The fourth proportional to 158,920.04, 238,348.54 and 78,874.52 is: 118,296.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,920.04 : 238,348.54 = 78,874.52 : x
  2. Step 2: Convert to fraction form
    158,920.04/238,348.54 = 78,874.52/x
  3. Step 3: Cross multiply
    158,920.04x = 238,348.54 × 78,874.52
  4. Step 4: Simplify right side
    158,920.04x = 18,799,626,685.20
  5. Step 5: Solve for x
    x = 18,799,626,685.20/158,920.04
  6. Step 6: Final answer
    x = 118,296.14

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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.