Home / 173,780.55-239,612.83-139,297.71

Finding the Fourth Proportional to 173,780.55, 239,612.83 and 139,297.71

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Solution

The fourth proportional to 173,780.55, 239,612.83 and 139,297.71 is: 192,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,780.55 : 239,612.83 = 139,297.71 : x
  2. Step 2: Convert to fraction form
    173,780.55/239,612.83 = 139,297.71/x
  3. Step 3: Cross multiply
    173,780.55x = 239,612.83 × 139,297.71
  4. Step 4: Simplify right side
    173,780.55x = 33,377,517,809.13
  5. Step 5: Solve for x
    x = 33,377,517,809.13/173,780.55
  6. Step 6: Final answer
    x = 192,067.05

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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.