Home / 125,181.54-186,655.68-111,272.22

Finding the Fourth Proportional to 125,181.54, 186,655.68 and 111,272.22

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Solution

The fourth proportional to 125,181.54, 186,655.68 and 111,272.22 is: 165,915.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,181.54 : 186,655.68 = 111,272.22 : x
  2. Step 2: Convert to fraction form
    125,181.54/186,655.68 = 111,272.22/x
  3. Step 3: Cross multiply
    125,181.54x = 186,655.68 × 111,272.22
  4. Step 4: Simplify right side
    125,181.54x = 20,769,591,889.21
  5. Step 5: Solve for x
    x = 20,769,591,889.21/125,181.54
  6. Step 6: Final answer
    x = 165,915.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.