Home / 115,538.73-159,358.15-73,056.25

Finding the Fourth Proportional to 115,538.73, 159,358.15 and 73,056.25

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Solution

The fourth proportional to 115,538.73, 159,358.15 and 73,056.25 is: 100,763.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,538.73 : 159,358.15 = 73,056.25 : x
  2. Step 2: Convert to fraction form
    115,538.73/159,358.15 = 73,056.25/x
  3. Step 3: Cross multiply
    115,538.73x = 159,358.15 × 73,056.25
  4. Step 4: Simplify right side
    115,538.73x = 11,642,108,845.94
  5. Step 5: Solve for x
    x = 11,642,108,845.94/115,538.73
  6. Step 6: Final answer
    x = 100,763.69

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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.