Home / 205,315.20-283,334.40-115,891.20

Finding the Fourth Proportional to 205,315.20, 283,334.40 and 115,891.20

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Solution

The fourth proportional to 205,315.20, 283,334.40 and 115,891.20 is: 159,929.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,315.20 : 283,334.40 = 115,891.20 : x
  2. Step 2: Convert to fraction form
    205,315.20/283,334.40 = 115,891.20/x
  3. Step 3: Cross multiply
    205,315.20x = 283,334.40 × 115,891.20
  4. Step 4: Simplify right side
    205,315.20x = 32,835,963,617.28
  5. Step 5: Solve for x
    x = 32,835,963,617.28/205,315.20
  6. Step 6: Final answer
    x = 159,929.53

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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.