Home / 110,390.40-165,470.64-51,177.36

Finding the Fourth Proportional to 110,390.40, 165,470.64 and 51,177.36

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Solution

The fourth proportional to 110,390.40, 165,470.64 and 51,177.36 is: 76,712.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,390.40 : 165,470.64 = 51,177.36 : x
  2. Step 2: Convert to fraction form
    110,390.40/165,470.64 = 51,177.36/x
  3. Step 3: Cross multiply
    110,390.40x = 165,470.64 × 51,177.36
  4. Step 4: Simplify right side
    110,390.40x = 8,468,350,512.71
  5. Step 5: Solve for x
    x = 8,468,350,512.71/110,390.40
  6. Step 6: Final answer
    x = 76,712.74

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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.