Home / 145,327.60-217,991.40-95,561.20

Finding the Fourth Proportional to 145,327.60, 217,991.40 and 95,561.20

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Solution

The fourth proportional to 145,327.60, 217,991.40 and 95,561.20 is: 143,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,327.60 : 217,991.40 = 95,561.20 : x
  2. Step 2: Convert to fraction form
    145,327.60/217,991.40 = 95,561.20/x
  3. Step 3: Cross multiply
    145,327.60x = 217,991.40 × 95,561.20
  4. Step 4: Simplify right side
    145,327.60x = 20,831,519,773.68
  5. Step 5: Solve for x
    x = 20,831,519,773.68/145,327.60
  6. Step 6: Final answer
    x = 143,341.80

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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.