Home / 454,740.72-682,181.15-155,151.47

Finding the Fourth Proportional to 454,740.72, 682,181.15 and 155,151.47

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Solution

The fourth proportional to 454,740.72, 682,181.15 and 155,151.47 is: 232,751.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,740.72 : 682,181.15 = 155,151.47 : x
  2. Step 2: Convert to fraction form
    454,740.72/682,181.15 = 155,151.47/x
  3. Step 3: Cross multiply
    454,740.72x = 682,181.15 × 155,151.47
  4. Step 4: Simplify right side
    454,740.72x = 105,841,404,042.13
  5. Step 5: Solve for x
    x = 105,841,404,042.13/454,740.72
  6. Step 6: Final answer
    x = 232,751.10

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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.