Home / 475,184.23-712,778.75-120,198.59

Finding the Fourth Proportional to 475,184.23, 712,778.75 and 120,198.59

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Solution

The fourth proportional to 475,184.23, 712,778.75 and 120,198.59 is: 180,298.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,184.23 : 712,778.75 = 120,198.59 : x
  2. Step 2: Convert to fraction form
    475,184.23/712,778.75 = 120,198.59/x
  3. Step 3: Cross multiply
    475,184.23x = 712,778.75 × 120,198.59
  4. Step 4: Simplify right side
    475,184.23x = 85,674,997,468.57
  5. Step 5: Solve for x
    x = 85,674,997,468.57/475,184.23
  6. Step 6: Final answer
    x = 180,298.49

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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.