Home / 107,180.64-147,913.20-80,275.68

Finding the Fourth Proportional to 107,180.64, 147,913.20 and 80,275.68

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Solution

The fourth proportional to 107,180.64, 147,913.20 and 80,275.68 is: 110,783.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,180.64 : 147,913.20 = 80,275.68 : x
  2. Step 2: Convert to fraction form
    107,180.64/147,913.20 = 80,275.68/x
  3. Step 3: Cross multiply
    107,180.64x = 147,913.20 × 80,275.68
  4. Step 4: Simplify right side
    107,180.64x = 11,873,832,710.98
  5. Step 5: Solve for x
    x = 11,873,832,710.98/107,180.64
  6. Step 6: Final answer
    x = 110,783.37

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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.