Home / 222,741.16-334,077.78-72,997

Finding the Fourth Proportional to 222,741.16, 334,077.78 and 72,997

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Solution

The fourth proportional to 222,741.16, 334,077.78 and 72,997 is: 109,484.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,741.16 : 334,077.78 = 72,997 : x
  2. Step 2: Convert to fraction form
    222,741.16/334,077.78 = 72,997/x
  3. Step 3: Cross multiply
    222,741.16x = 334,077.78 × 72,997
  4. Step 4: Simplify right side
    222,741.16x = 24,386,675,706.66
  5. Step 5: Solve for x
    x = 24,386,675,706.66/222,741.16
  6. Step 6: Final answer
    x = 109,484.37

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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.