Home / 199,629.33-299,194.79-99,818.06

Finding the Fourth Proportional to 199,629.33, 299,194.79 and 99,818.06

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Solution

The fourth proportional to 199,629.33, 299,194.79 and 99,818.06 is: 149,602.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,629.33 : 299,194.79 = 99,818.06 : x
  2. Step 2: Convert to fraction form
    199,629.33/299,194.79 = 99,818.06/x
  3. Step 3: Cross multiply
    199,629.33x = 299,194.79 × 99,818.06
  4. Step 4: Simplify right side
    199,629.33x = 29,865,044,247.89
  5. Step 5: Solve for x
    x = 29,865,044,247.89/199,629.33
  6. Step 6: Final answer
    x = 149,602.49

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1.5x scale

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.