Home / 207,119.86-285,921.66-156,153.22

Finding the Fourth Proportional to 207,119.86, 285,921.66 and 156,153.22

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Solution

The fourth proportional to 207,119.86, 285,921.66 and 156,153.22 is: 215,564.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,119.86 : 285,921.66 = 156,153.22 : x
  2. Step 2: Convert to fraction form
    207,119.86/285,921.66 = 156,153.22/x
  3. Step 3: Cross multiply
    207,119.86x = 285,921.66 × 156,153.22
  4. Step 4: Simplify right side
    207,119.86x = 44,647,587,876.75
  5. Step 5: Solve for x
    x = 44,647,587,876.75/207,119.86
  6. Step 6: Final answer
    x = 215,564.01

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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.