Home / 102,213.89-153,340.90-35,656.19

Finding the Fourth Proportional to 102,213.89, 153,340.90 and 35,656.19

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Solution

The fourth proportional to 102,213.89, 153,340.90 and 35,656.19 is: 53,491.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,213.89 : 153,340.90 = 35,656.19 : x
  2. Step 2: Convert to fraction form
    102,213.89/153,340.90 = 35,656.19/x
  3. Step 3: Cross multiply
    102,213.89x = 153,340.90 × 35,656.19
  4. Step 4: Simplify right side
    102,213.89x = 5,467,552,559.38
  5. Step 5: Solve for x
    x = 5,467,552,559.38/102,213.89
  6. Step 6: Final answer
    x = 53,491.29

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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.