Home / 515,087.10-772,703.55-160,064.10

Finding the Fourth Proportional to 515,087.10, 772,703.55 and 160,064.10

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Solution

The fourth proportional to 515,087.10, 772,703.55 and 160,064.10 is: 240,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,087.10 : 772,703.55 = 160,064.10 : x
  2. Step 2: Convert to fraction form
    515,087.10/772,703.55 = 160,064.10/x
  3. Step 3: Cross multiply
    515,087.10x = 772,703.55 × 160,064.10
  4. Step 4: Simplify right side
    515,087.10x = 123,682,098,297.56
  5. Step 5: Solve for x
    x = 123,682,098,297.56/515,087.10
  6. Step 6: Final answer
    x = 240,118.80

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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.