Home / 125,602.41-189,241.38-113,608.42

Finding the Fourth Proportional to 125,602.41, 189,241.38 and 113,608.42

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Solution

The fourth proportional to 125,602.41, 189,241.38 and 113,608.42 is: 171,170.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,602.41 : 189,241.38 = 113,608.42 : x
  2. Step 2: Convert to fraction form
    125,602.41/189,241.38 = 113,608.42/x
  3. Step 3: Cross multiply
    125,602.41x = 189,241.38 × 113,608.42
  4. Step 4: Simplify right side
    125,602.41x = 21,499,413,612.38
  5. Step 5: Solve for x
    x = 21,499,413,612.38/125,602.41
  6. Step 6: Final answer
    x = 171,170.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.