Home / 103,191.57-154,802.76-36,626.13

Finding the Fourth Proportional to 103,191.57, 154,802.76 and 36,626.13

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Solution

The fourth proportional to 103,191.57, 154,802.76 and 36,626.13 is: 54,944.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,191.57 : 154,802.76 = 36,626.13 : x
  2. Step 2: Convert to fraction form
    103,191.57/154,802.76 = 36,626.13/x
  3. Step 3: Cross multiply
    103,191.57x = 154,802.76 × 36,626.13
  4. Step 4: Simplify right side
    103,191.57x = 5,669,826,012.12
  5. Step 5: Solve for x
    x = 5,669,826,012.12/103,191.57
  6. Step 6: Final answer
    x = 54,944.66

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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.