Home / 132,917.15-199,386.52-39,422.63

Finding the Fourth Proportional to 132,917.15, 199,386.52 and 39,422.63

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Solution

The fourth proportional to 132,917.15, 199,386.52 and 39,422.63 is: 59,137.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,917.15 : 199,386.52 = 39,422.63 : x
  2. Step 2: Convert to fraction form
    132,917.15/199,386.52 = 39,422.63/x
  3. Step 3: Cross multiply
    132,917.15x = 199,386.52 × 39,422.63
  4. Step 4: Simplify right side
    132,917.15x = 7,860,339,909.46
  5. Step 5: Solve for x
    x = 7,860,339,909.46/132,917.15
  6. Step 6: Final answer
    x = 59,137.14

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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.