Home / 222,070.12-306,464.02-121,468.04

Finding the Fourth Proportional to 222,070.12, 306,464.02 and 121,468.04

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Solution

The fourth proportional to 222,070.12, 306,464.02 and 121,468.04 is: 167,629.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,070.12 : 306,464.02 = 121,468.04 : x
  2. Step 2: Convert to fraction form
    222,070.12/306,464.02 = 121,468.04/x
  3. Step 3: Cross multiply
    222,070.12x = 306,464.02 × 121,468.04
  4. Step 4: Simplify right side
    222,070.12x = 37,225,583,839.92
  5. Step 5: Solve for x
    x = 37,225,583,839.92/222,070.12
  6. Step 6: Final answer
    x = 167,629.86

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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.