Home / 118,221.40-177,348.30-39,327.40

Finding the Fourth Proportional to 118,221.40, 177,348.30 and 39,327.40

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Solution

The fourth proportional to 118,221.40, 177,348.30 and 39,327.40 is: 58,996.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,221.40 : 177,348.30 = 39,327.40 : x
  2. Step 2: Convert to fraction form
    118,221.40/177,348.30 = 39,327.40/x
  3. Step 3: Cross multiply
    118,221.40x = 177,348.30 × 39,327.40
  4. Step 4: Simplify right side
    118,221.40x = 6,974,647,533.42
  5. Step 5: Solve for x
    x = 6,974,647,533.42/118,221.40
  6. Step 6: Final answer
    x = 58,996.49

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1.5x scale

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.