Home / 121,197.55-181,822.45-60,441.02

Finding the Fourth Proportional to 121,197.55, 181,822.45 and 60,441.02

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Solution

The fourth proportional to 121,197.55, 181,822.45 and 60,441.02 is: 90,674.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,197.55 : 181,822.45 = 60,441.02 : x
  2. Step 2: Convert to fraction form
    121,197.55/181,822.45 = 60,441.02/x
  3. Step 3: Cross multiply
    121,197.55x = 181,822.45 × 60,441.02
  4. Step 4: Simplify right side
    121,197.55x = 10,989,534,336.90
  5. Step 5: Solve for x
    x = 10,989,534,336.90/121,197.55
  6. Step 6: Final answer
    x = 90,674.56

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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.