Home / 199,412.06-299,053.39-66,256.57

Finding the Fourth Proportional to 199,412.06, 299,053.39 and 66,256.57

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Solution

The fourth proportional to 199,412.06, 299,053.39 and 66,256.57 is: 99,363.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,412.06 : 299,053.39 = 66,256.57 : x
  2. Step 2: Convert to fraction form
    199,412.06/299,053.39 = 66,256.57/x
  3. Step 3: Cross multiply
    199,412.06x = 299,053.39 × 66,256.57
  4. Step 4: Simplify right side
    199,412.06x = 19,814,251,868.27
  5. Step 5: Solve for x
    x = 19,814,251,868.27/199,412.06
  6. Step 6: Final answer
    x = 99,363.36

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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.