Home / 151,020.92-208,409.64-83,042.26

Finding the Fourth Proportional to 151,020.92, 208,409.64 and 83,042.26

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Solution

The fourth proportional to 151,020.92, 208,409.64 and 83,042.26 is: 114,598.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,020.92 : 208,409.64 = 83,042.26 : x
  2. Step 2: Convert to fraction form
    151,020.92/208,409.64 = 83,042.26/x
  3. Step 3: Cross multiply
    151,020.92x = 208,409.64 × 83,042.26
  4. Step 4: Simplify right side
    151,020.92x = 17,306,807,511.39
  5. Step 5: Solve for x
    x = 17,306,807,511.39/151,020.92
  6. Step 6: Final answer
    x = 114,598.74

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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.