Home / 115,671.80-173,766.90-110,948.60

Finding the Fourth Proportional to 115,671.80, 173,766.90 and 110,948.60

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Solution

The fourth proportional to 115,671.80, 173,766.90 and 110,948.60 is: 166,671.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,671.80 : 173,766.90 = 110,948.60 : x
  2. Step 2: Convert to fraction form
    115,671.80/173,766.90 = 110,948.60/x
  3. Step 3: Cross multiply
    115,671.80x = 173,766.90 × 110,948.60
  4. Step 4: Simplify right side
    115,671.80x = 19,279,194,281.34
  5. Step 5: Solve for x
    x = 19,279,194,281.34/115,671.80
  6. Step 6: Final answer
    x = 166,671.52

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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.