Home / 156,965.95-235,503.60-68,283.10

Finding the Fourth Proportional to 156,965.95, 235,503.60 and 68,283.10

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Solution

The fourth proportional to 156,965.95, 235,503.60 and 68,283.10 is: 102,448.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,965.95 : 235,503.60 = 68,283.10 : x
  2. Step 2: Convert to fraction form
    156,965.95/235,503.60 = 68,283.10/x
  3. Step 3: Cross multiply
    156,965.95x = 235,503.60 × 68,283.10
  4. Step 4: Simplify right side
    156,965.95x = 16,080,915,869.16
  5. Step 5: Solve for x
    x = 16,080,915,869.16/156,965.95
  6. Step 6: Final answer
    x = 102,448.43

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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.