Home / 140,990.40-211,498.98-51,055.83

Finding the Fourth Proportional to 140,990.40, 211,498.98 and 51,055.83

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Solution

The fourth proportional to 140,990.40, 211,498.98 and 51,055.83 is: 76,588.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,990.40 : 211,498.98 = 51,055.83 : x
  2. Step 2: Convert to fraction form
    140,990.40/211,498.98 = 51,055.83/x
  3. Step 3: Cross multiply
    140,990.40x = 211,498.98 × 51,055.83
  4. Step 4: Simplify right side
    140,990.40x = 10,798,255,968.05
  5. Step 5: Solve for x
    x = 10,798,255,968.05/140,990.40
  6. Step 6: Final answer
    x = 76,588.59

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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.