Home / 140,446.67-193,816.37-76,784.45

Finding the Fourth Proportional to 140,446.67, 193,816.37 and 76,784.45

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Solution

The fourth proportional to 140,446.67, 193,816.37 and 76,784.45 is: 105,962.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,446.67 : 193,816.37 = 76,784.45 : x
  2. Step 2: Convert to fraction form
    140,446.67/193,816.37 = 76,784.45/x
  3. Step 3: Cross multiply
    140,446.67x = 193,816.37 × 76,784.45
  4. Step 4: Simplify right side
    140,446.67x = 14,882,082,018.44
  5. Step 5: Solve for x
    x = 14,882,082,018.44/140,446.67
  6. Step 6: Final answer
    x = 105,962.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.