Home / 140,820.55-211,673.69-122,330.83

Finding the Fourth Proportional to 140,820.55, 211,673.69 and 122,330.83

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Solution

The fourth proportional to 140,820.55, 211,673.69 and 122,330.83 is: 183,880.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,820.55 : 211,673.69 = 122,330.83 : x
  2. Step 2: Convert to fraction form
    140,820.55/211,673.69 = 122,330.83/x
  3. Step 3: Cross multiply
    140,820.55x = 211,673.69 × 122,330.83
  4. Step 4: Simplify right side
    140,820.55x = 25,894,218,186.86
  5. Step 5: Solve for x
    x = 25,894,218,186.86/140,820.55
  6. Step 6: Final answer
    x = 183,880.96

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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.