Home / 170,742.14-235,405.10-140,001.97

Finding the Fourth Proportional to 170,742.14, 235,405.10 and 140,001.97

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Solution

The fourth proportional to 170,742.14, 235,405.10 and 140,001.97 is: 193,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,742.14 : 235,405.10 = 140,001.97 : x
  2. Step 2: Convert to fraction form
    170,742.14/235,405.10 = 140,001.97/x
  3. Step 3: Cross multiply
    170,742.14x = 235,405.10 × 140,001.97
  4. Step 4: Simplify right side
    170,742.14x = 32,957,175,871.01
  5. Step 5: Solve for x
    x = 32,957,175,871.01/170,742.14
  6. Step 6: Final answer
    x = 193,023.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.