Home / 151,044.81-208,442.26-83,065.96

Finding the Fourth Proportional to 151,044.81, 208,442.26 and 83,065.96

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Solution

The fourth proportional to 151,044.81, 208,442.26 and 83,065.96 is: 114,631.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,044.81 : 208,442.26 = 83,065.96 : x
  2. Step 2: Convert to fraction form
    151,044.81/208,442.26 = 83,065.96/x
  3. Step 3: Cross multiply
    151,044.81x = 208,442.26 × 83,065.96
  4. Step 4: Simplify right side
    151,044.81x = 17,314,456,431.47
  5. Step 5: Solve for x
    x = 17,314,456,431.47/151,044.81
  6. Step 6: Final answer
    x = 114,631.26

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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.