Home / 199,763.92-299,666.94-66,597.76

Finding the Fourth Proportional to 199,763.92, 299,666.94 and 66,597.76

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Solution

The fourth proportional to 199,763.92, 299,666.94 and 66,597.76 is: 99,903.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,763.92 : 299,666.94 = 66,597.76 : x
  2. Step 2: Convert to fraction form
    199,763.92/299,666.94 = 66,597.76/x
  3. Step 3: Cross multiply
    199,763.92x = 299,666.94 × 66,597.76
  4. Step 4: Simplify right side
    199,763.92x = 19,957,146,950.05
  5. Step 5: Solve for x
    x = 19,957,146,950.05/199,763.92
  6. Step 6: Final answer
    x = 99,903.66

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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.