Home / 121,210.35-167,272.99-67,500.37

Finding the Fourth Proportional to 121,210.35, 167,272.99 and 67,500.37

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Solution

The fourth proportional to 121,210.35, 167,272.99 and 67,500.37 is: 93,152.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,210.35 : 167,272.99 = 67,500.37 : x
  2. Step 2: Convert to fraction form
    121,210.35/167,272.99 = 67,500.37/x
  3. Step 3: Cross multiply
    121,210.35x = 167,272.99 × 67,500.37
  4. Step 4: Simplify right side
    121,210.35x = 11,290,988,716.01
  5. Step 5: Solve for x
    x = 11,290,988,716.01/121,210.35
  6. Step 6: Final answer
    x = 93,152.02

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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.