Home / 136,815.40-205,243.62-48,053.26

Finding the Fourth Proportional to 136,815.40, 205,243.62 and 48,053.26

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Solution

The fourth proportional to 136,815.40, 205,243.62 and 48,053.26 is: 72,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,815.40 : 205,243.62 = 48,053.26 : x
  2. Step 2: Convert to fraction form
    136,815.40/205,243.62 = 48,053.26/x
  3. Step 3: Cross multiply
    136,815.40x = 205,243.62 × 48,053.26
  4. Step 4: Simplify right side
    136,815.40x = 9,862,625,035.20
  5. Step 5: Solve for x
    x = 9,862,625,035.20/136,815.40
  6. Step 6: Final answer
    x = 72,087.10

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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.