Home / 151,020.66-208,409.31-83,042.02

Finding the Fourth Proportional to 151,020.66, 208,409.31 and 83,042.02

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Solution

The fourth proportional to 151,020.66, 208,409.31 and 83,042.02 is: 114,598.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,020.66 : 208,409.31 = 83,042.02 : x
  2. Step 2: Convert to fraction form
    151,020.66/208,409.31 = 83,042.02/x
  3. Step 3: Cross multiply
    151,020.66x = 208,409.31 × 83,042.02
  4. Step 4: Simplify right side
    151,020.66x = 17,306,729,568.18
  5. Step 5: Solve for x
    x = 17,306,729,568.18/151,020.66
  6. Step 6: Final answer
    x = 114,598.42

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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.