Home / 286,516.49-395,395.10-179,148.76

Finding the Fourth Proportional to 286,516.49, 395,395.10 and 179,148.76

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Solution

The fourth proportional to 286,516.49, 395,395.10 and 179,148.76 is: 247,226.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,516.49 : 395,395.10 = 179,148.76 : x
  2. Step 2: Convert to fraction form
    286,516.49/395,395.10 = 179,148.76/x
  3. Step 3: Cross multiply
    286,516.49x = 395,395.10 × 179,148.76
  4. Step 4: Simplify right side
    286,516.49x = 70,834,542,886.75
  5. Step 5: Solve for x
    x = 70,834,542,886.75/286,516.49
  6. Step 6: Final answer
    x = 247,226.76

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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.