Home / 149,719.03-223,432.72-133,744.68

Finding the Fourth Proportional to 149,719.03, 223,432.72 and 133,744.68

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Solution

The fourth proportional to 149,719.03, 223,432.72 and 133,744.68 is: 199,593.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,719.03 : 223,432.72 = 133,744.68 : x
  2. Step 2: Convert to fraction form
    149,719.03/223,432.72 = 133,744.68/x
  3. Step 3: Cross multiply
    149,719.03x = 223,432.72 × 133,744.68
  4. Step 4: Simplify right side
    149,719.03x = 29,882,937,637.93
  5. Step 5: Solve for x
    x = 29,882,937,637.93/149,719.03
  6. Step 6: Final answer
    x = 199,593.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.