Home / 107,418.18-160,881.98-51,297.78

Finding the Fourth Proportional to 107,418.18, 160,881.98 and 51,297.78

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Solution

The fourth proportional to 107,418.18, 160,881.98 and 51,297.78 is: 76,829.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,418.18 : 160,881.98 = 51,297.78 : x
  2. Step 2: Convert to fraction form
    107,418.18/160,881.98 = 51,297.78/x
  3. Step 3: Cross multiply
    107,418.18x = 160,881.98 × 51,297.78
  4. Step 4: Simplify right side
    107,418.18x = 8,252,888,159.52
  5. Step 5: Solve for x
    x = 8,252,888,159.52/107,418.18
  6. Step 6: Final answer
    x = 76,829.53

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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.