Home / 107,427.70-161,141.55-96,541.30

Finding the Fourth Proportional to 107,427.70, 161,141.55 and 96,541.30

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Solution

The fourth proportional to 107,427.70, 161,141.55 and 96,541.30 is: 144,811.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,427.70 : 161,141.55 = 96,541.30 : x
  2. Step 2: Convert to fraction form
    107,427.70/161,141.55 = 96,541.30/x
  3. Step 3: Cross multiply
    107,427.70x = 161,141.55 × 96,541.30
  4. Step 4: Simplify right side
    107,427.70x = 15,556,814,721.02
  5. Step 5: Solve for x
    x = 15,556,814,721.02/107,427.70
  6. Step 6: Final answer
    x = 144,811.95

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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.