Home / 150,683.60-207,928.23-90,252.69

Finding the Fourth Proportional to 150,683.60, 207,928.23 and 90,252.69

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Solution

The fourth proportional to 150,683.60, 207,928.23 and 90,252.69 is: 124,539.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,683.60 : 207,928.23 = 90,252.69 : x
  2. Step 2: Convert to fraction form
    150,683.60/207,928.23 = 90,252.69/x
  3. Step 3: Cross multiply
    150,683.60x = 207,928.23 × 90,252.69
  4. Step 4: Simplify right side
    150,683.60x = 18,766,081,633.18
  5. Step 5: Solve for x
    x = 18,766,081,633.18/150,683.60
  6. Step 6: Final answer
    x = 124,539.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.