Home / 151,020.91-208,409.66-83,042.27

Finding the Fourth Proportional to 151,020.91, 208,409.66 and 83,042.27

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Solution

The fourth proportional to 151,020.91, 208,409.66 and 83,042.27 is: 114,598.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,020.91 : 208,409.66 = 83,042.27 : x
  2. Step 2: Convert to fraction form
    151,020.91/208,409.66 = 83,042.27/x
  3. Step 3: Cross multiply
    151,020.91x = 208,409.66 × 83,042.27
  4. Step 4: Simplify right side
    151,020.91x = 17,306,811,256.33
  5. Step 5: Solve for x
    x = 17,306,811,256.33/151,020.91
  6. Step 6: Final answer
    x = 114,598.77

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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.