Home / 165,419.24-247,008.39-131,302.49

Finding the Fourth Proportional to 165,419.24, 247,008.39 and 131,302.49

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Solution

The fourth proportional to 165,419.24, 247,008.39 and 131,302.49 is: 196,064.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,419.24 : 247,008.39 = 131,302.49 : x
  2. Step 2: Convert to fraction form
    165,419.24/247,008.39 = 131,302.49/x
  3. Step 3: Cross multiply
    165,419.24x = 247,008.39 × 131,302.49
  4. Step 4: Simplify right side
    165,419.24x = 32,432,817,014.60
  5. Step 5: Solve for x
    x = 32,432,817,014.60/165,419.24
  6. Step 6: Final answer
    x = 196,064.36

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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.