Home / 136,906.10-205,330.35-58,022.90

Finding the Fourth Proportional to 136,906.10, 205,330.35 and 58,022.90

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Solution

The fourth proportional to 136,906.10, 205,330.35 and 58,022.90 is: 87,022.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,906.10 : 205,330.35 = 58,022.90 : x
  2. Step 2: Convert to fraction form
    136,906.10/205,330.35 = 58,022.90/x
  3. Step 3: Cross multiply
    136,906.10x = 205,330.35 × 58,022.90
  4. Step 4: Simplify right side
    136,906.10x = 11,913,862,365.02
  5. Step 5: Solve for x
    x = 11,913,862,365.02/136,906.10
  6. Step 6: Final answer
    x = 87,022.14

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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.