Home / 133,043.18-199,623.20-69,848.62

Finding the Fourth Proportional to 133,043.18, 199,623.20 and 69,848.62

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Solution

The fourth proportional to 133,043.18, 199,623.20 and 69,848.62 is: 104,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,043.18 : 199,623.20 = 69,848.62 : x
  2. Step 2: Convert to fraction form
    133,043.18/199,623.20 = 69,848.62/x
  3. Step 3: Cross multiply
    133,043.18x = 199,623.20 × 69,848.62
  4. Step 4: Simplify right side
    133,043.18x = 13,943,404,584.58
  5. Step 5: Solve for x
    x = 13,943,404,584.58/133,043.18
  6. Step 6: Final answer
    x = 104,803.61

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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.