Home / 140,831.22-211,246.62-47,402.58

Finding the Fourth Proportional to 140,831.22, 211,246.62 and 47,402.58

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Solution

The fourth proportional to 140,831.22, 211,246.62 and 47,402.58 is: 71,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,831.22 : 211,246.62 = 47,402.58 : x
  2. Step 2: Convert to fraction form
    140,831.22/211,246.62 = 47,402.58/x
  3. Step 3: Cross multiply
    140,831.22x = 211,246.62 × 47,402.58
  4. Step 4: Simplify right side
    140,831.22x = 10,013,634,804.28
  5. Step 5: Solve for x
    x = 10,013,634,804.28/140,831.22
  6. Step 6: Final answer
    x = 71,103.80

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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.