Home / 121,259.92-181,777.38-61,964.86

Finding the Fourth Proportional to 121,259.92, 181,777.38 and 61,964.86

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Solution

The fourth proportional to 121,259.92, 181,777.38 and 61,964.86 is: 92,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,259.92 : 181,777.38 = 61,964.86 : x
  2. Step 2: Convert to fraction form
    121,259.92/181,777.38 = 61,964.86/x
  3. Step 3: Cross multiply
    121,259.92x = 181,777.38 × 61,964.86
  4. Step 4: Simplify right side
    121,259.92x = 11,263,809,902.87
  5. Step 5: Solve for x
    x = 11,263,809,902.87/121,259.92
  6. Step 6: Final answer
    x = 92,889.80

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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.