Home / 204,028.90-305,897.55-91,617.10

Finding the Fourth Proportional to 204,028.90, 305,897.55 and 91,617.10

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Solution

The fourth proportional to 204,028.90, 305,897.55 and 91,617.10 is: 137,360.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,028.90 : 305,897.55 = 91,617.10 : x
  2. Step 2: Convert to fraction form
    204,028.90/305,897.55 = 91,617.10/x
  3. Step 3: Cross multiply
    204,028.90x = 305,897.55 × 91,617.10
  4. Step 4: Simplify right side
    204,028.90x = 28,025,446,428.11
  5. Step 5: Solve for x
    x = 28,025,446,428.11/204,028.90
  6. Step 6: Final answer
    x = 137,360.18

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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.