Home / 286,334.04-395,338.68-178,952.34

Finding the Fourth Proportional to 286,334.04, 395,338.68 and 178,952.34

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Solution

The fourth proportional to 286,334.04, 395,338.68 and 178,952.34 is: 247,077.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,334.04 : 395,338.68 = 178,952.34 : x
  2. Step 2: Convert to fraction form
    286,334.04/395,338.68 = 178,952.34/x
  3. Step 3: Cross multiply
    286,334.04x = 395,338.68 × 178,952.34
  4. Step 4: Simplify right side
    286,334.04x = 70,746,781,878.51
  5. Step 5: Solve for x
    x = 70,746,781,878.51/286,334.04
  6. Step 6: Final answer
    x = 247,077.79

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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.