Home / 136,815.90-205,244.37-48,053.76

Finding the Fourth Proportional to 136,815.90, 205,244.37 and 48,053.76

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Solution

The fourth proportional to 136,815.90, 205,244.37 and 48,053.76 is: 72,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,815.90 : 205,244.37 = 48,053.76 : x
  2. Step 2: Convert to fraction form
    136,815.90/205,244.37 = 48,053.76/x
  3. Step 3: Cross multiply
    136,815.90x = 205,244.37 × 48,053.76
  4. Step 4: Simplify right side
    136,815.90x = 9,862,763,697.33
  5. Step 5: Solve for x
    x = 9,862,763,697.33/136,815.90
  6. Step 6: Final answer
    x = 72,087.85

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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.