Home / 110,276.10-165,415.14-31,390.29

Finding the Fourth Proportional to 110,276.10, 165,415.14 and 31,390.29

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Solution

The fourth proportional to 110,276.10, 165,415.14 and 31,390.29 is: 47,085.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,276.10 : 165,415.14 = 31,390.29 : x
  2. Step 2: Convert to fraction form
    110,276.10/165,415.14 = 31,390.29/x
  3. Step 3: Cross multiply
    110,276.10x = 165,415.14 × 31,390.29
  4. Step 4: Simplify right side
    110,276.10x = 5,192,429,214.99
  5. Step 5: Solve for x
    x = 5,192,429,214.99/110,276.10
  6. Step 6: Final answer
    x = 47,085.72

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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.