Home / 113,835.80-170,753.70-102,560.60

Finding the Fourth Proportional to 113,835.80, 170,753.70 and 102,560.60

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Solution

The fourth proportional to 113,835.80, 170,753.70 and 102,560.60 is: 153,840.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,835.80 : 170,753.70 = 102,560.60 : x
  2. Step 2: Convert to fraction form
    113,835.80/170,753.70 = 102,560.60/x
  3. Step 3: Cross multiply
    113,835.80x = 170,753.70 × 102,560.60
  4. Step 4: Simplify right side
    113,835.80x = 17,512,601,924.22
  5. Step 5: Solve for x
    x = 17,512,601,924.22/113,835.80
  6. Step 6: Final answer
    x = 153,840.90

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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.