Home / 150,212.16-207,290.88-90,596.16

Finding the Fourth Proportional to 150,212.16, 207,290.88 and 90,596.16

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Solution

The fourth proportional to 150,212.16, 207,290.88 and 90,596.16 is: 125,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,212.16 : 207,290.88 = 90,596.16 : x
  2. Step 2: Convert to fraction form
    150,212.16/207,290.88 = 90,596.16/x
  3. Step 3: Cross multiply
    150,212.16x = 207,290.88 × 90,596.16
  4. Step 4: Simplify right side
    150,212.16x = 18,779,757,731.02
  5. Step 5: Solve for x
    x = 18,779,757,731.02/150,212.16
  6. Step 6: Final answer
    x = 125,021.55

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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.