Home / 156,650.40-234,829.80-109,265.40

Finding the Fourth Proportional to 156,650.40, 234,829.80 and 109,265.40

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Solution

The fourth proportional to 156,650.40, 234,829.80 and 109,265.40 is: 163,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,650.40 : 234,829.80 = 109,265.40 : x
  2. Step 2: Convert to fraction form
    156,650.40/234,829.80 = 109,265.40/x
  3. Step 3: Cross multiply
    156,650.40x = 234,829.80 × 109,265.40
  4. Step 4: Simplify right side
    156,650.40x = 25,658,772,028.92
  5. Step 5: Solve for x
    x = 25,658,772,028.92/156,650.40
  6. Step 6: Final answer
    x = 163,796.40

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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.