Home / 198,003.12-296,999.76-57,762.96

Finding the Fourth Proportional to 198,003.12, 296,999.76 and 57,762.96

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Solution

The fourth proportional to 198,003.12, 296,999.76 and 57,762.96 is: 86,643.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,003.12 : 296,999.76 = 57,762.96 : x
  2. Step 2: Convert to fraction form
    198,003.12/296,999.76 = 57,762.96/x
  3. Step 3: Cross multiply
    198,003.12x = 296,999.76 × 57,762.96
  4. Step 4: Simplify right side
    198,003.12x = 17,155,585,256.89
  5. Step 5: Solve for x
    x = 17,155,585,256.89/198,003.12
  6. Step 6: Final answer
    x = 86,643.00

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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.