Home / 231,815.40-347,723.10-175,828.20

Finding the Fourth Proportional to 231,815.40, 347,723.10 and 175,828.20

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Solution

The fourth proportional to 231,815.40, 347,723.10 and 175,828.20 is: 263,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,815.40 : 347,723.10 = 175,828.20 : x
  2. Step 2: Convert to fraction form
    231,815.40/347,723.10 = 175,828.20/x
  3. Step 3: Cross multiply
    231,815.40x = 347,723.10 × 175,828.20
  4. Step 4: Simplify right side
    231,815.40x = 61,139,526,771.42
  5. Step 5: Solve for x
    x = 61,139,526,771.42/231,815.40
  6. Step 6: Final answer
    x = 263,742.30

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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.