Home / 220,153.86-330,161.64-93,792.78

Finding the Fourth Proportional to 220,153.86, 330,161.64 and 93,792.78

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Solution

The fourth proportional to 220,153.86, 330,161.64 and 93,792.78 is: 140,659.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,153.86 : 330,161.64 = 93,792.78 : x
  2. Step 2: Convert to fraction form
    220,153.86/330,161.64 = 93,792.78/x
  3. Step 3: Cross multiply
    220,153.86x = 330,161.64 × 93,792.78
  4. Step 4: Simplify right side
    220,153.86x = 30,966,778,064.96
  5. Step 5: Solve for x
    x = 30,966,778,064.96/220,153.86
  6. Step 6: Final answer
    x = 140,659.71

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1.5x scale

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.