Home / 133,065.07-199,539.28-49,900.75

Finding the Fourth Proportional to 133,065.07, 199,539.28 and 49,900.75

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Solution

The fourth proportional to 133,065.07, 199,539.28 and 49,900.75 is: 74,829.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,065.07 : 199,539.28 = 49,900.75 : x
  2. Step 2: Convert to fraction form
    133,065.07/199,539.28 = 49,900.75/x
  3. Step 3: Cross multiply
    133,065.07x = 199,539.28 × 49,900.75
  4. Step 4: Simplify right side
    133,065.07x = 9,957,159,726.46
  5. Step 5: Solve for x
    x = 9,957,159,726.46/133,065.07
  6. Step 6: Final answer
    x = 74,829.25

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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.