Home / 109,555.92-151,187.20-59,254.92

Finding the Fourth Proportional to 109,555.92, 151,187.20 and 59,254.92

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Solution

The fourth proportional to 109,555.92, 151,187.20 and 59,254.92 is: 81,771.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,555.92 : 151,187.20 = 59,254.92 : x
  2. Step 2: Convert to fraction form
    109,555.92/151,187.20 = 59,254.92/x
  3. Step 3: Cross multiply
    109,555.92x = 151,187.20 × 59,254.92
  4. Step 4: Simplify right side
    109,555.92x = 8,958,585,441.02
  5. Step 5: Solve for x
    x = 8,958,585,441.02/109,555.92
  6. Step 6: Final answer
    x = 81,771.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.