Home / 156,628.60-234,788.46-100,308.76

Finding the Fourth Proportional to 156,628.60, 234,788.46 and 100,308.76

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Solution

The fourth proportional to 156,628.60, 234,788.46 and 100,308.76 is: 150,364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,628.60 : 234,788.46 = 100,308.76 : x
  2. Step 2: Convert to fraction form
    156,628.60/234,788.46 = 100,308.76/x
  3. Step 3: Cross multiply
    156,628.60x = 234,788.46 × 100,308.76
  4. Step 4: Simplify right side
    156,628.60x = 23,551,339,284.91
  5. Step 5: Solve for x
    x = 23,551,339,284.91/156,628.60
  6. Step 6: Final answer
    x = 150,364.23

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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.