Home / 151,655.10-209,351.14-97,966.28

Finding the Fourth Proportional to 151,655.10, 209,351.14 and 97,966.28

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Solution

The fourth proportional to 151,655.10, 209,351.14 and 97,966.28 is: 135,236.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,655.10 : 209,351.14 = 97,966.28 : x
  2. Step 2: Convert to fraction form
    151,655.10/209,351.14 = 97,966.28/x
  3. Step 3: Cross multiply
    151,655.10x = 209,351.14 × 97,966.28
  4. Step 4: Simplify right side
    151,655.10x = 20,509,352,399.56
  5. Step 5: Solve for x
    x = 20,509,352,399.56/151,655.10
  6. Step 6: Final answer
    x = 135,236.81

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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.