Home / 198,063.04-297,062.72-57,788.80

Finding the Fourth Proportional to 198,063.04, 297,062.72 and 57,788.80

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Solution

The fourth proportional to 198,063.04, 297,062.72 and 57,788.80 is: 86,673.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,063.04 : 297,062.72 = 57,788.80 : x
  2. Step 2: Convert to fraction form
    198,063.04/297,062.72 = 57,788.80/x
  3. Step 3: Cross multiply
    198,063.04x = 297,062.72 × 57,788.80
  4. Step 4: Simplify right side
    198,063.04x = 17,166,898,113.54
  5. Step 5: Solve for x
    x = 17,166,898,113.54/198,063.04
  6. Step 6: Final answer
    x = 86,673.91

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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.