Home / 205,740.44-283,290.95-180,103.34

Finding the Fourth Proportional to 205,740.44, 283,290.95 and 180,103.34

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Solution

The fourth proportional to 205,740.44, 283,290.95 and 180,103.34 is: 247,990.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,740.44 : 283,290.95 = 180,103.34 : x
  2. Step 2: Convert to fraction form
    205,740.44/283,290.95 = 180,103.34/x
  3. Step 3: Cross multiply
    205,740.44x = 283,290.95 × 180,103.34
  4. Step 4: Simplify right side
    205,740.44x = 51,021,643,969.80
  5. Step 5: Solve for x
    x = 51,021,643,969.80/205,740.44
  6. Step 6: Final answer
    x = 247,990.36

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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.