Home / 282,209.12-389,508.72-169,097.48

Finding the Fourth Proportional to 282,209.12, 389,508.72 and 169,097.48

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Solution

The fourth proportional to 282,209.12, 389,508.72 and 169,097.48 is: 233,390.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,209.12 : 389,508.72 = 169,097.48 : x
  2. Step 2: Convert to fraction form
    282,209.12/389,508.72 = 169,097.48/x
  3. Step 3: Cross multiply
    282,209.12x = 389,508.72 × 169,097.48
  4. Step 4: Simplify right side
    282,209.12x = 65,864,942,990.03
  5. Step 5: Solve for x
    x = 65,864,942,990.03/282,209.12
  6. Step 6: Final answer
    x = 233,390.55

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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.