Home / 231,825.40-347,802.90-113,500.60

Finding the Fourth Proportional to 231,825.40, 347,802.90 and 113,500.60

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Solution

The fourth proportional to 231,825.40, 347,802.90 and 113,500.60 is: 170,282.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,825.40 : 347,802.90 = 113,500.60 : x
  2. Step 2: Convert to fraction form
    231,825.40/347,802.90 = 113,500.60/x
  3. Step 3: Cross multiply
    231,825.40x = 347,802.90 × 113,500.60
  4. Step 4: Simplify right side
    231,825.40x = 39,475,837,831.74
  5. Step 5: Solve for x
    x = 39,475,837,831.74/231,825.40
  6. Step 6: Final answer
    x = 170,282.63

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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.