Home / 136,266.30-204,010.65-83,778.30

Finding the Fourth Proportional to 136,266.30, 204,010.65 and 83,778.30

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Solution

The fourth proportional to 136,266.30, 204,010.65 and 83,778.30 is: 125,428.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,266.30 : 204,010.65 = 83,778.30 : x
  2. Step 2: Convert to fraction form
    136,266.30/204,010.65 = 83,778.30/x
  3. Step 3: Cross multiply
    136,266.30x = 204,010.65 × 83,778.30
  4. Step 4: Simplify right side
    136,266.30x = 17,091,665,438.90
  5. Step 5: Solve for x
    x = 17,091,665,438.90/136,266.30
  6. Step 6: Final answer
    x = 125,428.41

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1.5x scale

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.