Home / 107,845.56-161,518.86-104,108.76

Finding the Fourth Proportional to 107,845.56, 161,518.86 and 104,108.76

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Solution

The fourth proportional to 107,845.56, 161,518.86 and 104,108.76 is: 155,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,845.56 : 161,518.86 = 104,108.76 : x
  2. Step 2: Convert to fraction form
    107,845.56/161,518.86 = 104,108.76/x
  3. Step 3: Cross multiply
    107,845.56x = 161,518.86 × 104,108.76
  4. Step 4: Simplify right side
    107,845.56x = 16,815,528,231.21
  5. Step 5: Solve for x
    x = 16,815,528,231.21/107,845.56
  6. Step 6: Final answer
    x = 155,922.30

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1.5x scale

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.