Home / 133,259.92-183,898.38-75,899.23

Finding the Fourth Proportional to 133,259.92, 183,898.38 and 75,899.23

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Solution

The fourth proportional to 133,259.92, 183,898.38 and 75,899.23 is: 104,740.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,259.92 : 183,898.38 = 75,899.23 : x
  2. Step 2: Convert to fraction form
    133,259.92/183,898.38 = 75,899.23/x
  3. Step 3: Cross multiply
    133,259.92x = 183,898.38 × 75,899.23
  4. Step 4: Simplify right side
    133,259.92x = 13,957,745,440.25
  5. Step 5: Solve for x
    x = 13,957,745,440.25/133,259.92
  6. Step 6: Final answer
    x = 104,740.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.