Home / 107,625.40-161,438.10-97,948.60

Finding the Fourth Proportional to 107,625.40, 161,438.10 and 97,948.60

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Solution

The fourth proportional to 107,625.40, 161,438.10 and 97,948.60 is: 146,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,625.40 : 161,438.10 = 97,948.60 : x
  2. Step 2: Convert to fraction form
    107,625.40/161,438.10 = 97,948.60/x
  3. Step 3: Cross multiply
    107,625.40x = 161,438.10 × 97,948.60
  4. Step 4: Simplify right side
    107,625.40x = 15,812,635,881.66
  5. Step 5: Solve for x
    x = 15,812,635,881.66/107,625.40
  6. Step 6: Final answer
    x = 146,922.90

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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.