Home / 156,966.45-235,504.35-68,283.60

Finding the Fourth Proportional to 156,966.45, 235,504.35 and 68,283.60

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Solution

The fourth proportional to 156,966.45, 235,504.35 and 68,283.60 is: 102,449.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,966.45 : 235,504.35 = 68,283.60 : x
  2. Step 2: Convert to fraction form
    156,966.45/235,504.35 = 68,283.60/x
  3. Step 3: Cross multiply
    156,966.45x = 235,504.35 × 68,283.60
  4. Step 4: Simplify right side
    156,966.45x = 16,081,084,833.66
  5. Step 5: Solve for x
    x = 16,081,084,833.66/156,966.45
  6. Step 6: Final answer
    x = 102,449.18

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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.