Home / 118,237.92-176,896.80-108,309.48

Finding the Fourth Proportional to 118,237.92, 176,896.80 and 108,309.48

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Solution

The fourth proportional to 118,237.92, 176,896.80 and 108,309.48 is: 162,042.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,237.92 : 176,896.80 = 108,309.48 : x
  2. Step 2: Convert to fraction form
    118,237.92/176,896.80 = 108,309.48/x
  3. Step 3: Cross multiply
    118,237.92x = 176,896.80 × 108,309.48
  4. Step 4: Simplify right side
    118,237.92x = 19,159,600,421.66
  5. Step 5: Solve for x
    x = 19,159,600,421.66/118,237.92
  6. Step 6: Final answer
    x = 162,042.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.