Home / 121,255.20-181,796.40-46,346.40

Finding the Fourth Proportional to 121,255.20, 181,796.40 and 46,346.40

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Solution

The fourth proportional to 121,255.20, 181,796.40 and 46,346.40 is: 69,486.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,255.20 : 181,796.40 = 46,346.40 : x
  2. Step 2: Convert to fraction form
    121,255.20/181,796.40 = 46,346.40/x
  3. Step 3: Cross multiply
    121,255.20x = 181,796.40 × 46,346.40
  4. Step 4: Simplify right side
    121,255.20x = 8,425,608,672.96
  5. Step 5: Solve for x
    x = 8,425,608,672.96/121,255.20
  6. Step 6: Final answer
    x = 69,486.58

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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.