Home / 103,189.32-154,799.35-36,623.87

Finding the Fourth Proportional to 103,189.32, 154,799.35 and 36,623.87

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Solution

The fourth proportional to 103,189.32, 154,799.35 and 36,623.87 is: 54,941.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,189.32 : 154,799.35 = 36,623.87 : x
  2. Step 2: Convert to fraction form
    103,189.32/154,799.35 = 36,623.87/x
  3. Step 3: Cross multiply
    103,189.32x = 154,799.35 × 36,623.87
  4. Step 4: Simplify right side
    103,189.32x = 5,669,350,496.49
  5. Step 5: Solve for x
    x = 5,669,350,496.49/103,189.32
  6. Step 6: Final answer
    x = 54,941.26

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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.