Home / 205,180.92-283,277.74-157,342.20

Finding the Fourth Proportional to 205,180.92, 283,277.74 and 157,342.20

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Solution

The fourth proportional to 205,180.92, 283,277.74 and 157,342.20 is: 217,230.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,180.92 : 283,277.74 = 157,342.20 : x
  2. Step 2: Convert to fraction form
    205,180.92/283,277.74 = 157,342.20/x
  3. Step 3: Cross multiply
    205,180.92x = 283,277.74 × 157,342.20
  4. Step 4: Simplify right side
    205,180.92x = 44,571,542,822.63
  5. Step 5: Solve for x
    x = 44,571,542,822.63/205,180.92
  6. Step 6: Final answer
    x = 217,230.45

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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.