Home / 151,339.16-208,846.14-83,354.78

Finding the Fourth Proportional to 151,339.16, 208,846.14 and 83,354.78

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Solution

The fourth proportional to 151,339.16, 208,846.14 and 83,354.78 is: 115,028.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,339.16 : 208,846.14 = 83,354.78 : x
  2. Step 2: Convert to fraction form
    151,339.16/208,846.14 = 83,354.78/x
  3. Step 3: Cross multiply
    151,339.16x = 208,846.14 × 83,354.78
  4. Step 4: Simplify right side
    151,339.16x = 17,408,324,053.55
  5. Step 5: Solve for x
    x = 17,408,324,053.55/151,339.16
  6. Step 6: Final answer
    x = 115,028.55

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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.