Home / 110,156.91-165,235.05-31,271.28

Finding the Fourth Proportional to 110,156.91, 165,235.05 and 31,271.28

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Solution

The fourth proportional to 110,156.91, 165,235.05 and 31,271.28 is: 46,906.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,156.91 : 165,235.05 = 31,271.28 : x
  2. Step 2: Convert to fraction form
    110,156.91/165,235.05 = 31,271.28/x
  3. Step 3: Cross multiply
    110,156.91x = 165,235.05 × 31,271.28
  4. Step 4: Simplify right side
    110,156.91x = 5,167,111,514.36
  5. Step 5: Solve for x
    x = 5,167,111,514.36/110,156.91
  6. Step 6: Final answer
    x = 46,906.83

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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.