Home / 151,778.52-209,259.64-124,453.92

Finding the Fourth Proportional to 151,778.52, 209,259.64 and 124,453.92

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Solution

The fourth proportional to 151,778.52, 209,259.64 and 124,453.92 is: 171,586.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,778.52 : 209,259.64 = 124,453.92 : x
  2. Step 2: Convert to fraction form
    151,778.52/209,259.64 = 124,453.92/x
  3. Step 3: Cross multiply
    151,778.52x = 209,259.64 × 124,453.92
  4. Step 4: Simplify right side
    151,778.52x = 26,043,182,495.79
  5. Step 5: Solve for x
    x = 26,043,182,495.79/151,778.52
  6. Step 6: Final answer
    x = 171,586.75

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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.