Home / 349,434.05-524,049.72-136,154.39

Finding the Fourth Proportional to 349,434.05, 524,049.72 and 136,154.39

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Solution

The fourth proportional to 349,434.05, 524,049.72 and 136,154.39 is: 204,192.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,434.05 : 524,049.72 = 136,154.39 : x
  2. Step 2: Convert to fraction form
    349,434.05/524,049.72 = 136,154.39/x
  3. Step 3: Cross multiply
    349,434.05x = 524,049.72 × 136,154.39
  4. Step 4: Simplify right side
    349,434.05x = 71,351,667,336.02
  5. Step 5: Solve for x
    x = 71,351,667,336.02/349,434.05
  6. Step 6: Final answer
    x = 204,192.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.