Home / 113,887.47-157,108.82-73,635.75

Finding the Fourth Proportional to 113,887.47, 157,108.82 and 73,635.75

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Solution

The fourth proportional to 113,887.47, 157,108.82 and 73,635.75 is: 101,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,887.47 : 157,108.82 = 73,635.75 : x
  2. Step 2: Convert to fraction form
    113,887.47/157,108.82 = 73,635.75/x
  3. Step 3: Cross multiply
    113,887.47x = 157,108.82 × 73,635.75
  4. Step 4: Simplify right side
    113,887.47x = 11,568,825,424.14
  5. Step 5: Solve for x
    x = 11,568,825,424.14/113,887.47
  6. Step 6: Final answer
    x = 101,581.20

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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.