Home / 136,024.90-204,037.35-91,788.10

Finding the Fourth Proportional to 136,024.90, 204,037.35 and 91,788.10

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Solution

The fourth proportional to 136,024.90, 204,037.35 and 91,788.10 is: 137,682.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,024.90 : 204,037.35 = 91,788.10 : x
  2. Step 2: Convert to fraction form
    136,024.90/204,037.35 = 91,788.10/x
  3. Step 3: Cross multiply
    136,024.90x = 204,037.35 × 91,788.10
  4. Step 4: Simplify right side
    136,024.90x = 18,728,200,685.54
  5. Step 5: Solve for x
    x = 18,728,200,685.54/136,024.90
  6. Step 6: Final answer
    x = 137,682.15

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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.