Home / 110,308.03-165,412.84-31,403.80

Finding the Fourth Proportional to 110,308.03, 165,412.84 and 31,403.80

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Solution

The fourth proportional to 110,308.03, 165,412.84 and 31,403.80 is: 47,091.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,308.03 : 165,412.84 = 31,403.80 : x
  2. Step 2: Convert to fraction form
    110,308.03/165,412.84 = 31,403.80/x
  3. Step 3: Cross multiply
    110,308.03x = 165,412.84 × 31,403.80
  4. Step 4: Simplify right side
    110,308.03x = 5,194,591,744.79
  5. Step 5: Solve for x
    x = 5,194,591,744.79/110,308.03
  6. Step 6: Final answer
    x = 47,091.69

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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.