Home / 101,601.44-140,205.12-56,276.36

Finding the Fourth Proportional to 101,601.44, 140,205.12 and 56,276.36

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Solution

The fourth proportional to 101,601.44, 140,205.12 and 56,276.36 is: 77,658.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,601.44 : 140,205.12 = 56,276.36 : x
  2. Step 2: Convert to fraction form
    101,601.44/140,205.12 = 56,276.36/x
  3. Step 3: Cross multiply
    101,601.44x = 140,205.12 × 56,276.36
  4. Step 4: Simplify right side
    101,601.44x = 7,890,233,806.96
  5. Step 5: Solve for x
    x = 7,890,233,806.96/101,601.44
  6. Step 6: Final answer
    x = 77,658.68

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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.