Home / 286,342.29-395,350.07-178,960.59

Finding the Fourth Proportional to 286,342.29, 395,350.07 and 178,960.59

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Solution

The fourth proportional to 286,342.29, 395,350.07 and 178,960.59 is: 247,089.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,342.29 : 395,350.07 = 178,960.59 : x
  2. Step 2: Convert to fraction form
    286,342.29/395,350.07 = 178,960.59/x
  3. Step 3: Cross multiply
    286,342.29x = 395,350.07 × 178,960.59
  4. Step 4: Simplify right side
    286,342.29x = 70,752,080,888.94
  5. Step 5: Solve for x
    x = 70,752,080,888.94/286,342.29
  6. Step 6: Final answer
    x = 247,089.18

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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.