Home / 475,228.86-712,844.82-120,242.85

Finding the Fourth Proportional to 475,228.86, 712,844.82 and 120,242.85

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Solution

The fourth proportional to 475,228.86, 712,844.82 and 120,242.85 is: 180,364.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,228.86 : 712,844.82 = 120,242.85 : x
  2. Step 2: Convert to fraction form
    475,228.86/712,844.82 = 120,242.85/x
  3. Step 3: Cross multiply
    475,228.86x = 712,844.82 × 120,242.85
  4. Step 4: Simplify right side
    475,228.86x = 85,714,492,764.54
  5. Step 5: Solve for x
    x = 85,714,492,764.54/475,228.86
  6. Step 6: Final answer
    x = 180,364.66

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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.