Home / 161,861.15-242,762.33-43,504.81

Finding the Fourth Proportional to 161,861.15, 242,762.33 and 43,504.81

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Solution

The fourth proportional to 161,861.15, 242,762.33 and 43,504.81 is: 65,249.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,861.15 : 242,762.33 = 43,504.81 : x
  2. Step 2: Convert to fraction form
    161,861.15/242,762.33 = 43,504.81/x
  3. Step 3: Cross multiply
    161,861.15x = 242,762.33 × 43,504.81
  4. Step 4: Simplify right side
    161,861.15x = 10,561,328,543.66
  5. Step 5: Solve for x
    x = 10,561,328,543.66/161,861.15
  6. Step 6: Final answer
    x = 65,249.31

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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.