Home / 129,187.09-193,758.76-35,693.11

Finding the Fourth Proportional to 129,187.09, 193,758.76 and 35,693.11

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Solution

The fourth proportional to 129,187.09, 193,758.76 and 35,693.11 is: 53,533.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,187.09 : 193,758.76 = 35,693.11 : x
  2. Step 2: Convert to fraction form
    129,187.09/193,758.76 = 35,693.11/x
  3. Step 3: Cross multiply
    129,187.09x = 193,758.76 × 35,693.11
  4. Step 4: Simplify right side
    129,187.09x = 6,915,852,734.14
  5. Step 5: Solve for x
    x = 6,915,852,734.14/129,187.09
  6. Step 6: Final answer
    x = 53,533.62

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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.