Home / 156,829.60-235,244.40-68,125.60

Finding the Fourth Proportional to 156,829.60, 235,244.40 and 68,125.60

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Solution

The fourth proportional to 156,829.60, 235,244.40 and 68,125.60 is: 102,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,829.60 : 235,244.40 = 68,125.60 : x
  2. Step 2: Convert to fraction form
    156,829.60/235,244.40 = 68,125.60/x
  3. Step 3: Cross multiply
    156,829.60x = 235,244.40 × 68,125.60
  4. Step 4: Simplify right side
    156,829.60x = 16,026,165,896.64
  5. Step 5: Solve for x
    x = 16,026,165,896.64/156,829.60
  6. Step 6: Final answer
    x = 102,188.40

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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.