Home / 104,865.60-157,298.40-73,372.80

Finding the Fourth Proportional to 104,865.60, 157,298.40 and 73,372.80

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Solution

The fourth proportional to 104,865.60, 157,298.40 and 73,372.80 is: 110,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,865.60 : 157,298.40 = 73,372.80 : x
  2. Step 2: Convert to fraction form
    104,865.60/157,298.40 = 73,372.80/x
  3. Step 3: Cross multiply
    104,865.60x = 157,298.40 × 73,372.80
  4. Step 4: Simplify right side
    104,865.60x = 11,541,424,043.52
  5. Step 5: Solve for x
    x = 11,541,424,043.52/104,865.60
  6. Step 6: Final answer
    x = 110,059.20

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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.