Home / 107,492.20-161,123.10-40,906.60

Finding the Fourth Proportional to 107,492.20, 161,123.10 and 40,906.60

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Solution

The fourth proportional to 107,492.20, 161,123.10 and 40,906.60 is: 61,316.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,492.20 : 161,123.10 = 40,906.60 : x
  2. Step 2: Convert to fraction form
    107,492.20/161,123.10 = 40,906.60/x
  3. Step 3: Cross multiply
    107,492.20x = 161,123.10 × 40,906.60
  4. Step 4: Simplify right side
    107,492.20x = 6,590,998,202.46
  5. Step 5: Solve for x
    x = 6,590,998,202.46/107,492.20
  6. Step 6: Final answer
    x = 61,316.06

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1.5x scale

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.