Home / 103,158.05-154,685.99-36,588.20

Finding the Fourth Proportional to 103,158.05, 154,685.99 and 36,588.20

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Solution

The fourth proportional to 103,158.05, 154,685.99 and 36,588.20 is: 54,864.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,158.05 : 154,685.99 = 36,588.20 : x
  2. Step 2: Convert to fraction form
    103,158.05/154,685.99 = 36,588.20/x
  3. Step 3: Cross multiply
    103,158.05x = 154,685.99 × 36,588.20
  4. Step 4: Simplify right side
    103,158.05x = 5,659,681,257.36
  5. Step 5: Solve for x
    x = 5,659,681,257.36/103,158.05
  6. Step 6: Final answer
    x = 54,864.18

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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.