Home / 448,105.69-672,468.98-178,206.19

Finding the Fourth Proportional to 448,105.69, 672,468.98 and 178,206.19

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Solution

The fourth proportional to 448,105.69, 672,468.98 and 178,206.19 is: 267,432.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,105.69 : 672,468.98 = 178,206.19 : x
  2. Step 2: Convert to fraction form
    448,105.69/672,468.98 = 178,206.19/x
  3. Step 3: Cross multiply
    448,105.69x = 672,468.98 × 178,206.19
  4. Step 4: Simplify right side
    448,105.69x = 119,838,134,818.99
  5. Step 5: Solve for x
    x = 119,838,134,818.99/448,105.69
  6. Step 6: Final answer
    x = 267,432.75

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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.