Home / 151,049.07-208,446.21-83,064.96

Finding the Fourth Proportional to 151,049.07, 208,446.21 and 83,064.96

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Solution

The fourth proportional to 151,049.07, 208,446.21 and 83,064.96 is: 114,628.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,049.07 : 208,446.21 = 83,064.96 : x
  2. Step 2: Convert to fraction form
    151,049.07/208,446.21 = 83,064.96/x
  3. Step 3: Cross multiply
    151,049.07x = 208,446.21 × 83,064.96
  4. Step 4: Simplify right side
    151,049.07x = 17,314,576,095.80
  5. Step 5: Solve for x
    x = 17,314,576,095.80/151,049.07
  6. Step 6: Final answer
    x = 114,628.82

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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.