Home / 222,141.96-306,548.28-126,679.38

Finding the Fourth Proportional to 222,141.96, 306,548.28 and 126,679.38

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Solution

The fourth proportional to 222,141.96, 306,548.28 and 126,679.38 is: 174,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,141.96 : 306,548.28 = 126,679.38 : x
  2. Step 2: Convert to fraction form
    222,141.96/306,548.28 = 126,679.38/x
  3. Step 3: Cross multiply
    222,141.96x = 306,548.28 × 126,679.38
  4. Step 4: Simplify right side
    222,141.96x = 38,833,346,050.47
  5. Step 5: Solve for x
    x = 38,833,346,050.47/222,141.96
  6. Step 6: Final answer
    x = 174,813.20

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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.