Home / 231,681.54-347,550.93-81,890.94

Finding the Fourth Proportional to 231,681.54, 347,550.93 and 81,890.94

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Solution

The fourth proportional to 231,681.54, 347,550.93 and 81,890.94 is: 122,846.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,681.54 : 347,550.93 = 81,890.94 : x
  2. Step 2: Convert to fraction form
    231,681.54/347,550.93 = 81,890.94/x
  3. Step 3: Cross multiply
    231,681.54x = 347,550.93 × 81,890.94
  4. Step 4: Simplify right side
    231,681.54x = 28,461,272,355.57
  5. Step 5: Solve for x
    x = 28,461,272,355.57/231,681.54
  6. Step 6: Final answer
    x = 122,846.53

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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.