Home / 175,217.40-262,826.10-100,308.60

Finding the Fourth Proportional to 175,217.40, 262,826.10 and 100,308.60

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Solution

The fourth proportional to 175,217.40, 262,826.10 and 100,308.60 is: 150,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,217.40 : 262,826.10 = 100,308.60 : x
  2. Step 2: Convert to fraction form
    175,217.40/262,826.10 = 100,308.60/x
  3. Step 3: Cross multiply
    175,217.40x = 262,826.10 × 100,308.60
  4. Step 4: Simplify right side
    175,217.40x = 26,363,718,134.46
  5. Step 5: Solve for x
    x = 26,363,718,134.46/175,217.40
  6. Step 6: Final answer
    x = 150,462.90

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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.