Home / 107,941.80-161,912.70-97,444.20

Finding the Fourth Proportional to 107,941.80, 161,912.70 and 97,444.20

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Solution

The fourth proportional to 107,941.80, 161,912.70 and 97,444.20 is: 146,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,941.80 : 161,912.70 = 97,444.20 : x
  2. Step 2: Convert to fraction form
    107,941.80/161,912.70 = 97,444.20/x
  3. Step 3: Cross multiply
    107,941.80x = 161,912.70 × 97,444.20
  4. Step 4: Simplify right side
    107,941.80x = 15,777,453,521.34
  5. Step 5: Solve for x
    x = 15,777,453,521.34/107,941.80
  6. Step 6: Final answer
    x = 146,166.30

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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.