Home / 147,981.03-222,004.42-69,052.20

Finding the Fourth Proportional to 147,981.03, 222,004.42 and 69,052.20

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Solution

The fourth proportional to 147,981.03, 222,004.42 and 69,052.20 is: 103,593.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,981.03 : 222,004.42 = 69,052.20 : x
  2. Step 2: Convert to fraction form
    147,981.03/222,004.42 = 69,052.20/x
  3. Step 3: Cross multiply
    147,981.03x = 222,004.42 × 69,052.20
  4. Step 4: Simplify right side
    147,981.03x = 15,329,893,438.09
  5. Step 5: Solve for x
    x = 15,329,893,438.09/147,981.03
  6. Step 6: Final answer
    x = 103,593.64

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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.