Home / 254,780.10-351,616.14-152,809.47

Finding the Fourth Proportional to 254,780.10, 351,616.14 and 152,809.47

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Solution

The fourth proportional to 254,780.10, 351,616.14 and 152,809.47 is: 210,888.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,780.10 : 351,616.14 = 152,809.47 : x
  2. Step 2: Convert to fraction form
    254,780.10/351,616.14 = 152,809.47/x
  3. Step 3: Cross multiply
    254,780.10x = 351,616.14 × 152,809.47
  4. Step 4: Simplify right side
    254,780.10x = 53,730,275,996.85
  5. Step 5: Solve for x
    x = 53,730,275,996.85/254,780.10
  6. Step 6: Final answer
    x = 210,888.83

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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.