Home / 110,136.20-165,074.70-57,518.60

Finding the Fourth Proportional to 110,136.20, 165,074.70 and 57,518.60

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Solution

The fourth proportional to 110,136.20, 165,074.70 and 57,518.60 is: 86,210.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,136.20 : 165,074.70 = 57,518.60 : x
  2. Step 2: Convert to fraction form
    110,136.20/165,074.70 = 57,518.60/x
  3. Step 3: Cross multiply
    110,136.20x = 165,074.70 × 57,518.60
  4. Step 4: Simplify right side
    110,136.20x = 9,494,865,639.42
  5. Step 5: Solve for x
    x = 9,494,865,639.42/110,136.20
  6. Step 6: Final answer
    x = 86,210.22

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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.