Home / 121,593.96-167,802.48-76,273.85

Finding the Fourth Proportional to 121,593.96, 167,802.48 and 76,273.85

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Solution

The fourth proportional to 121,593.96, 167,802.48 and 76,273.85 is: 105,259.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,593.96 : 167,802.48 = 76,273.85 : x
  2. Step 2: Convert to fraction form
    121,593.96/167,802.48 = 76,273.85/x
  3. Step 3: Cross multiply
    121,593.96x = 167,802.48 × 76,273.85
  4. Step 4: Simplify right side
    121,593.96x = 12,798,941,189.15
  5. Step 5: Solve for x
    x = 12,798,941,189.15/121,593.96
  6. Step 6: Final answer
    x = 105,259.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.