Home / 297,634.38-446,445.81-87,267.66

Finding the Fourth Proportional to 297,634.38, 446,445.81 and 87,267.66

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Solution

The fourth proportional to 297,634.38, 446,445.81 and 87,267.66 is: 130,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,634.38 : 446,445.81 = 87,267.66 : x
  2. Step 2: Convert to fraction form
    297,634.38/446,445.81 = 87,267.66/x
  3. Step 3: Cross multiply
    297,634.38x = 446,445.81 × 87,267.66
  4. Step 4: Simplify right side
    297,634.38x = 38,960,281,155.50
  5. Step 5: Solve for x
    x = 38,960,281,155.50/297,634.38
  6. Step 6: Final answer
    x = 130,899.80

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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.