Home / 214,948.20-322,042.65-130,536.12

Finding the Fourth Proportional to 214,948.20, 322,042.65 and 130,536.12

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Solution

The fourth proportional to 214,948.20, 322,042.65 and 130,536.12 is: 195,573.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,948.20 : 322,042.65 = 130,536.12 : x
  2. Step 2: Convert to fraction form
    214,948.20/322,042.65 = 130,536.12/x
  3. Step 3: Cross multiply
    214,948.20x = 322,042.65 × 130,536.12
  4. Step 4: Simplify right side
    214,948.20x = 42,038,198,005.52
  5. Step 5: Solve for x
    x = 42,038,198,005.52/214,948.20
  6. Step 6: Final answer
    x = 195,573.62

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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.