Home / 136,680.36-204,997.17-36,817.20

Finding the Fourth Proportional to 136,680.36, 204,997.17 and 36,817.20

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Solution

The fourth proportional to 136,680.36, 204,997.17 and 36,817.20 is: 55,219.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,680.36 : 204,997.17 = 36,817.20 : x
  2. Step 2: Convert to fraction form
    136,680.36/204,997.17 = 36,817.20/x
  3. Step 3: Cross multiply
    136,680.36x = 204,997.17 × 36,817.20
  4. Step 4: Simplify right side
    136,680.36x = 7,547,421,041.73
  5. Step 5: Solve for x
    x = 7,547,421,041.73/136,680.36
  6. Step 6: Final answer
    x = 55,219.50

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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.