Home / 110,213.20-165,319.80-57,638.80

Finding the Fourth Proportional to 110,213.20, 165,319.80 and 57,638.80

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Solution

The fourth proportional to 110,213.20, 165,319.80 and 57,638.80 is: 86,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,213.20 : 165,319.80 = 57,638.80 : x
  2. Step 2: Convert to fraction form
    110,213.20/165,319.80 = 57,638.80/x
  3. Step 3: Cross multiply
    110,213.20x = 165,319.80 × 57,638.80
  4. Step 4: Simplify right side
    110,213.20x = 9,528,834,888.24
  5. Step 5: Solve for x
    x = 9,528,834,888.24/110,213.20
  6. Step 6: Final answer
    x = 86,458.20

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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.