Home / 104,351.15-156,525.20-72,300.66

Finding the Fourth Proportional to 104,351.15, 156,525.20 and 72,300.66

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Solution

The fourth proportional to 104,351.15, 156,525.20 and 72,300.66 is: 108,449.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,351.15 : 156,525.20 = 72,300.66 : x
  2. Step 2: Convert to fraction form
    104,351.15/156,525.20 = 72,300.66/x
  3. Step 3: Cross multiply
    104,351.15x = 156,525.20 × 72,300.66
  4. Step 4: Simplify right side
    104,351.15x = 11,316,874,905.13
  5. Step 5: Solve for x
    x = 11,316,874,905.13/104,351.15
  6. Step 6: Final answer
    x = 108,449.94

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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.