Home / 110,165.07-165,247.20-31,279.29

Finding the Fourth Proportional to 110,165.07, 165,247.20 and 31,279.29

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Solution

The fourth proportional to 110,165.07, 165,247.20 and 31,279.29 is: 46,918.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,165.07 : 165,247.20 = 31,279.29 : x
  2. Step 2: Convert to fraction form
    110,165.07/165,247.20 = 31,279.29/x
  3. Step 3: Cross multiply
    110,165.07x = 165,247.20 × 31,279.29
  4. Step 4: Simplify right side
    110,165.07x = 5,168,815,090.49
  5. Step 5: Solve for x
    x = 5,168,815,090.49/110,165.07
  6. Step 6: Final answer
    x = 46,918.82

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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.