Home / 297,938.16-446,308.88-137,789.62

Finding the Fourth Proportional to 297,938.16, 446,308.88 and 137,789.62

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Solution

The fourth proportional to 297,938.16, 446,308.88 and 137,789.62 is: 206,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,938.16 : 446,308.88 = 137,789.62 : x
  2. Step 2: Convert to fraction form
    297,938.16/446,308.88 = 137,789.62/x
  3. Step 3: Cross multiply
    297,938.16x = 446,308.88 × 137,789.62
  4. Step 4: Simplify right side
    297,938.16x = 61,496,730,977.83
  5. Step 5: Solve for x
    x = 61,496,730,977.83/297,938.16
  6. Step 6: Final answer
    x = 206,407.70

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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.