Home / 351,821.80-527,788.76-127,159.48

Finding the Fourth Proportional to 351,821.80, 527,788.76 and 127,159.48

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Solution

The fourth proportional to 351,821.80, 527,788.76 and 127,159.48 is: 190,759.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,821.80 : 527,788.76 = 127,159.48 : x
  2. Step 2: Convert to fraction form
    351,821.80/527,788.76 = 127,159.48/x
  3. Step 3: Cross multiply
    351,821.80x = 527,788.76 × 127,159.48
  4. Step 4: Simplify right side
    351,821.80x = 67,113,344,271.44
  5. Step 5: Solve for x
    x = 67,113,344,271.44/351,821.80
  6. Step 6: Final answer
    x = 190,759.48

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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.