Home / 231,740.69-347,001.98-186,521.40

Finding the Fourth Proportional to 231,740.69, 347,001.98 and 186,521.40

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Solution

The fourth proportional to 231,740.69, 347,001.98 and 186,521.40 is: 279,291.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,740.69 : 347,001.98 = 186,521.40 : x
  2. Step 2: Convert to fraction form
    231,740.69/347,001.98 = 186,521.40/x
  3. Step 3: Cross multiply
    231,740.69x = 347,001.98 × 186,521.40
  4. Step 4: Simplify right side
    231,740.69x = 64,723,294,179.77
  5. Step 5: Solve for x
    x = 64,723,294,179.77/231,740.69
  6. Step 6: Final answer
    x = 279,291.89

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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.