Home / 121,140.76-181,698.36-32,403.22

Finding the Fourth Proportional to 121,140.76, 181,698.36 and 32,403.22

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Solution

The fourth proportional to 121,140.76, 181,698.36 and 32,403.22 is: 48,601.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,140.76 : 181,698.36 = 32,403.22 : x
  2. Step 2: Convert to fraction form
    121,140.76/181,698.36 = 32,403.22/x
  3. Step 3: Cross multiply
    121,140.76x = 181,698.36 × 32,403.22
  4. Step 4: Simplify right side
    121,140.76x = 5,887,611,932.72
  5. Step 5: Solve for x
    x = 5,887,611,932.72/121,140.76
  6. Step 6: Final answer
    x = 48,601.41

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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.