Home / 140,989.40-211,497.48-51,054.83

Finding the Fourth Proportional to 140,989.40, 211,497.48 and 51,054.83

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Solution

The fourth proportional to 140,989.40, 211,497.48 and 51,054.83 is: 76,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,989.40 : 211,497.48 = 51,054.83 : x
  2. Step 2: Convert to fraction form
    140,989.40/211,497.48 = 51,054.83/x
  3. Step 3: Cross multiply
    140,989.40x = 211,497.48 × 51,054.83
  4. Step 4: Simplify right side
    140,989.40x = 10,797,966,829.34
  5. Step 5: Solve for x
    x = 10,797,966,829.34/140,989.40
  6. Step 6: Final answer
    x = 76,587.09

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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.