Home / 147,764.46-221,974.73-91,646.04

Finding the Fourth Proportional to 147,764.46, 221,974.73 and 91,646.04

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Solution

The fourth proportional to 147,764.46, 221,974.73 and 91,646.04 is: 137,672.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,764.46 : 221,974.73 = 91,646.04 : x
  2. Step 2: Convert to fraction form
    147,764.46/221,974.73 = 91,646.04/x
  3. Step 3: Cross multiply
    147,764.46x = 221,974.73 × 91,646.04
  4. Step 4: Simplify right side
    147,764.46x = 20,343,104,103.81
  5. Step 5: Solve for x
    x = 20,343,104,103.81/147,764.46
  6. Step 6: Final answer
    x = 137,672.51

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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.