Home / 151,271.82-208,760.09-83,293.79

Finding the Fourth Proportional to 151,271.82, 208,760.09 and 83,293.79

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Solution

The fourth proportional to 151,271.82, 208,760.09 and 83,293.79 is: 114,948.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,271.82 : 208,760.09 = 83,293.79 : x
  2. Step 2: Convert to fraction form
    151,271.82/208,760.09 = 83,293.79/x
  3. Step 3: Cross multiply
    151,271.82x = 208,760.09 × 83,293.79
  4. Step 4: Simplify right side
    151,271.82x = 17,388,417,636.57
  5. Step 5: Solve for x
    x = 17,388,417,636.57/151,271.82
  6. Step 6: Final answer
    x = 114,948.16

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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.