Home / 101,606.57-140,215.56-56,284.41

Finding the Fourth Proportional to 101,606.57, 140,215.56 and 56,284.41

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Solution

The fourth proportional to 101,606.57, 140,215.56 and 56,284.41 is: 77,671.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,606.57 : 140,215.56 = 56,284.41 : x
  2. Step 2: Convert to fraction form
    101,606.57/140,215.56 = 56,284.41/x
  3. Step 3: Cross multiply
    101,606.57x = 140,215.56 × 56,284.41
  4. Step 4: Simplify right side
    101,606.57x = 7,891,950,067.42
  5. Step 5: Solve for x
    x = 7,891,950,067.42/101,606.57
  6. Step 6: Final answer
    x = 77,671.66

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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.