Home / 110,125.47-165,188.31-30,157.59

Finding the Fourth Proportional to 110,125.47, 165,188.31 and 30,157.59

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Solution

The fourth proportional to 110,125.47, 165,188.31 and 30,157.59 is: 45,236.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,125.47 : 165,188.31 = 30,157.59 : x
  2. Step 2: Convert to fraction form
    110,125.47/165,188.31 = 30,157.59/x
  3. Step 3: Cross multiply
    110,125.47x = 165,188.31 × 30,157.59
  4. Step 4: Simplify right side
    110,125.47x = 4,981,681,325.77
  5. Step 5: Solve for x
    x = 4,981,681,325.77/110,125.47
  6. Step 6: Final answer
    x = 45,236.41

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1.5x scale

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.