Home / 316,853.10-475,137.58-188,829.85

Finding the Fourth Proportional to 316,853.10, 475,137.58 and 188,829.85

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Solution

The fourth proportional to 316,853.10, 475,137.58 and 188,829.85 is: 283,160.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,853.10 : 475,137.58 = 188,829.85 : x
  2. Step 2: Convert to fraction form
    316,853.10/475,137.58 = 188,829.85/x
  3. Step 3: Cross multiply
    316,853.10x = 475,137.58 × 188,829.85
  4. Step 4: Simplify right side
    316,853.10x = 89,720,157,960.76
  5. Step 5: Solve for x
    x = 89,720,157,960.76/316,853.10
  6. Step 6: Final answer
    x = 283,160.11

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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.