Home / 205,766.07-283,945.57-113,880.34

Finding the Fourth Proportional to 205,766.07, 283,945.57 and 113,880.34

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Solution

The fourth proportional to 205,766.07, 283,945.57 and 113,880.34 is: 157,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,766.07 : 283,945.57 = 113,880.34 : x
  2. Step 2: Convert to fraction form
    205,766.07/283,945.57 = 113,880.34/x
  3. Step 3: Cross multiply
    205,766.07x = 283,945.57 × 113,880.34
  4. Step 4: Simplify right side
    205,766.07x = 32,335,818,053.09
  5. Step 5: Solve for x
    x = 32,335,818,053.09/205,766.07
  6. Step 6: Final answer
    x = 157,148.45

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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.