Home / 115,929.60-173,894.40-113,596.80

Finding the Fourth Proportional to 115,929.60, 173,894.40 and 113,596.80

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Solution

The fourth proportional to 115,929.60, 173,894.40 and 113,596.80 is: 170,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,929.60 : 173,894.40 = 113,596.80 : x
  2. Step 2: Convert to fraction form
    115,929.60/173,894.40 = 113,596.80/x
  3. Step 3: Cross multiply
    115,929.60x = 173,894.40 × 113,596.80
  4. Step 4: Simplify right side
    115,929.60x = 19,753,847,377.92
  5. Step 5: Solve for x
    x = 19,753,847,377.92/115,929.60
  6. Step 6: Final answer
    x = 170,395.20

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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.