Home / 199,623.11-299,440.13-66,498.62

Finding the Fourth Proportional to 199,623.11, 299,440.13 and 66,498.62

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Solution

The fourth proportional to 199,623.11, 299,440.13 and 66,498.62 is: 99,749.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,623.11 : 299,440.13 = 66,498.62 : x
  2. Step 2: Convert to fraction form
    199,623.11/299,440.13 = 66,498.62/x
  3. Step 3: Cross multiply
    199,623.11x = 299,440.13 × 66,498.62
  4. Step 4: Simplify right side
    199,623.11x = 19,912,353,587.93
  5. Step 5: Solve for x
    x = 19,912,353,587.93/199,623.11
  6. Step 6: Final answer
    x = 99,749.74

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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.