Home / 175,871.20-263,806.80-70,690.24

Finding the Fourth Proportional to 175,871.20, 263,806.80 and 70,690.24

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Solution

The fourth proportional to 175,871.20, 263,806.80 and 70,690.24 is: 106,035.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,871.20 : 263,806.80 = 70,690.24 : x
  2. Step 2: Convert to fraction form
    175,871.20/263,806.80 = 70,690.24/x
  3. Step 3: Cross multiply
    175,871.20x = 263,806.80 × 70,690.24
  4. Step 4: Simplify right side
    175,871.20x = 18,648,566,005.63
  5. Step 5: Solve for x
    x = 18,648,566,005.63/175,871.20
  6. Step 6: Final answer
    x = 106,035.36

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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.