Home / 133,160.96-199,353.25-69,830.91

Finding the Fourth Proportional to 133,160.96, 199,353.25 and 69,830.91

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Solution

The fourth proportional to 133,160.96, 199,353.25 and 69,830.91 is: 104,542.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,160.96 : 199,353.25 = 69,830.91 : x
  2. Step 2: Convert to fraction form
    133,160.96/199,353.25 = 69,830.91/x
  3. Step 3: Cross multiply
    133,160.96x = 199,353.25 × 69,830.91
  4. Step 4: Simplify right side
    133,160.96x = 13,921,018,946.25
  5. Step 5: Solve for x
    x = 13,921,018,946.25/133,160.96
  6. Step 6: Final answer
    x = 104,542.79

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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.