Home / 113,839.84-157,067.52-73,555.36

Finding the Fourth Proportional to 113,839.84, 157,067.52 and 73,555.36

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Solution

The fourth proportional to 113,839.84, 157,067.52 and 73,555.36 is: 101,486.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,839.84 : 157,067.52 = 73,555.36 : x
  2. Step 2: Convert to fraction form
    113,839.84/157,067.52 = 73,555.36/x
  3. Step 3: Cross multiply
    113,839.84x = 157,067.52 × 73,555.36
  4. Step 4: Simplify right side
    113,839.84x = 11,553,157,977.91
  5. Step 5: Solve for x
    x = 11,553,157,977.91/113,839.84
  6. Step 6: Final answer
    x = 101,486.07

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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.