Home / 147,766.56-221,977.92-91,648.16

Finding the Fourth Proportional to 147,766.56, 221,977.92 and 91,648.16

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Solution

The fourth proportional to 147,766.56, 221,977.92 and 91,648.16 is: 137,675.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,766.56 : 221,977.92 = 91,648.16 : x
  2. Step 2: Convert to fraction form
    147,766.56/221,977.92 = 91,648.16/x
  3. Step 3: Cross multiply
    147,766.56x = 221,977.92 × 91,648.16
  4. Step 4: Simplify right side
    147,766.56x = 20,343,867,928.63
  5. Step 5: Solve for x
    x = 20,343,867,928.63/147,766.56
  6. Step 6: Final answer
    x = 137,675.72

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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.