Home / 151,102.22-208,516.82-83,119.14

Finding the Fourth Proportional to 151,102.22, 208,516.82 and 83,119.14

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Solution

The fourth proportional to 151,102.22, 208,516.82 and 83,119.14 is: 114,702.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,102.22 : 208,516.82 = 83,119.14 : x
  2. Step 2: Convert to fraction form
    151,102.22/208,516.82 = 83,119.14/x
  3. Step 3: Cross multiply
    151,102.22x = 208,516.82 × 83,119.14
  4. Step 4: Simplify right side
    151,102.22x = 17,331,738,753.93
  5. Step 5: Solve for x
    x = 17,331,738,753.93/151,102.22
  6. Step 6: Final answer
    x = 114,702.08

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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.