Home / 121,259.20-167,342.76-67,544.14

Finding the Fourth Proportional to 121,259.20, 167,342.76 and 67,544.14

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Solution

The fourth proportional to 121,259.20, 167,342.76 and 67,544.14 is: 93,213.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,259.20 : 167,342.76 = 67,544.14 : x
  2. Step 2: Convert to fraction form
    121,259.20/167,342.76 = 67,544.14/x
  3. Step 3: Cross multiply
    121,259.20x = 167,342.76 × 67,544.14
  4. Step 4: Simplify right side
    121,259.20x = 11,303,022,809.43
  5. Step 5: Solve for x
    x = 11,303,022,809.43/121,259.20
  6. Step 6: Final answer
    x = 93,213.73

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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.