Home / 175,053.20-262,709.40-115,869.20

Finding the Fourth Proportional to 175,053.20, 262,709.40 and 115,869.20

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Solution

The fourth proportional to 175,053.20, 262,709.40 and 115,869.20 is: 173,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,053.20 : 262,709.40 = 115,869.20 : x
  2. Step 2: Convert to fraction form
    175,053.20/262,709.40 = 115,869.20/x
  3. Step 3: Cross multiply
    175,053.20x = 262,709.40 × 115,869.20
  4. Step 4: Simplify right side
    175,053.20x = 30,439,928,010.48
  5. Step 5: Solve for x
    x = 30,439,928,010.48/175,053.20
  6. Step 6: Final answer
    x = 173,889.58

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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.