Home / 150,130.25-207,173.66-89,734.22

Finding the Fourth Proportional to 150,130.25, 207,173.66 and 89,734.22

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Solution

The fourth proportional to 150,130.25, 207,173.66 and 89,734.22 is: 123,829.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,130.25 : 207,173.66 = 89,734.22 : x
  2. Step 2: Convert to fraction form
    150,130.25/207,173.66 = 89,734.22/x
  3. Step 3: Cross multiply
    150,130.25x = 207,173.66 × 89,734.22
  4. Step 4: Simplify right side
    150,130.25x = 18,590,566,784.65
  5. Step 5: Solve for x
    x = 18,590,566,784.65/150,130.25
  6. Step 6: Final answer
    x = 123,829.59

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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.