Home / 301,614.07-452,497.68-139,624.90

Finding the Fourth Proportional to 301,614.07, 452,497.68 and 139,624.90

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Solution

The fourth proportional to 301,614.07, 452,497.68 and 139,624.90 is: 209,472.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,614.07 : 452,497.68 = 139,624.90 : x
  2. Step 2: Convert to fraction form
    301,614.07/452,497.68 = 139,624.90/x
  3. Step 3: Cross multiply
    301,614.07x = 452,497.68 × 139,624.90
  4. Step 4: Simplify right side
    301,614.07x = 63,179,940,359.62
  5. Step 5: Solve for x
    x = 63,179,940,359.62/301,614.07
  6. Step 6: Final answer
    x = 209,472.79

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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.