Home / 238,454.40-329,095.68-143,013.60

Finding the Fourth Proportional to 238,454.40, 329,095.68 and 143,013.60

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Solution

The fourth proportional to 238,454.40, 329,095.68 and 143,013.60 is: 197,375.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,454.40 : 329,095.68 = 143,013.60 : x
  2. Step 2: Convert to fraction form
    238,454.40/329,095.68 = 143,013.60/x
  3. Step 3: Cross multiply
    238,454.40x = 329,095.68 × 143,013.60
  4. Step 4: Simplify right side
    238,454.40x = 47,065,157,941.25
  5. Step 5: Solve for x
    x = 47,065,157,941.25/238,454.40
  6. Step 6: Final answer
    x = 197,375.93

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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.