Home / 235,920.08-354,032.37-86,147.84

Finding the Fourth Proportional to 235,920.08, 354,032.37 and 86,147.84

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Solution

The fourth proportional to 235,920.08, 354,032.37 and 86,147.84 is: 129,277.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,920.08 : 354,032.37 = 86,147.84 : x
  2. Step 2: Convert to fraction form
    235,920.08/354,032.37 = 86,147.84/x
  3. Step 3: Cross multiply
    235,920.08x = 354,032.37 × 86,147.84
  4. Step 4: Simplify right side
    235,920.08x = 30,499,124,850.66
  5. Step 5: Solve for x
    x = 30,499,124,850.66/235,920.08
  6. Step 6: Final answer
    x = 129,277.36

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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.