Home / 147,576.90-221,588.10-117,906.60

Finding the Fourth Proportional to 147,576.90, 221,588.10 and 117,906.60

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Solution

The fourth proportional to 147,576.90, 221,588.10 and 117,906.60 is: 177,037.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,576.90 : 221,588.10 = 117,906.60 : x
  2. Step 2: Convert to fraction form
    147,576.90/221,588.10 = 117,906.60/x
  3. Step 3: Cross multiply
    147,576.90x = 221,588.10 × 117,906.60
  4. Step 4: Simplify right side
    147,576.90x = 26,126,699,471.46
  5. Step 5: Solve for x
    x = 26,126,699,471.46/147,576.90
  6. Step 6: Final answer
    x = 177,037.87

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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.