Home / 199,595.11-299,440.56-66,476.57

Finding the Fourth Proportional to 199,595.11, 299,440.56 and 66,476.57

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Solution

The fourth proportional to 199,595.11, 299,440.56 and 66,476.57 is: 99,730.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,595.11 : 299,440.56 = 66,476.57 : x
  2. Step 2: Convert to fraction form
    199,595.11/299,440.56 = 66,476.57/x
  3. Step 3: Cross multiply
    199,595.11x = 299,440.56 × 66,476.57
  4. Step 4: Simplify right side
    199,595.11x = 19,905,781,347.68
  5. Step 5: Solve for x
    x = 19,905,781,347.68/199,595.11
  6. Step 6: Final answer
    x = 99,730.81

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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.