Home / 199,541.51-299,052.35-81,074.36

Finding the Fourth Proportional to 199,541.51, 299,052.35 and 81,074.36

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Solution

The fourth proportional to 199,541.51, 299,052.35 and 81,074.36 is: 121,505.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,541.51 : 299,052.35 = 81,074.36 : x
  2. Step 2: Convert to fraction form
    199,541.51/299,052.35 = 81,074.36/x
  3. Step 3: Cross multiply
    199,541.51x = 299,052.35 × 81,074.36
  4. Step 4: Simplify right side
    199,541.51x = 24,245,475,982.11
  5. Step 5: Solve for x
    x = 24,245,475,982.11/199,541.51
  6. Step 6: Final answer
    x = 121,505.93

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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.