Home / 140,843.15-211,117.09-52,040.01

Finding the Fourth Proportional to 140,843.15, 211,117.09 and 52,040.01

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Solution

The fourth proportional to 140,843.15, 211,117.09 and 52,040.01 is: 78,005.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,843.15 : 211,117.09 = 52,040.01 : x
  2. Step 2: Convert to fraction form
    140,843.15/211,117.09 = 52,040.01/x
  3. Step 3: Cross multiply
    140,843.15x = 211,117.09 × 52,040.01
  4. Step 4: Simplify right side
    140,843.15x = 10,986,535,474.77
  5. Step 5: Solve for x
    x = 10,986,535,474.77/140,843.15
  6. Step 6: Final answer
    x = 78,005.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.