Home / 124,914.60-187,371.90-111,792.60

Finding the Fourth Proportional to 124,914.60, 187,371.90 and 111,792.60

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Solution

The fourth proportional to 124,914.60, 187,371.90 and 111,792.60 is: 167,688.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,914.60 : 187,371.90 = 111,792.60 : x
  2. Step 2: Convert to fraction form
    124,914.60/187,371.90 = 111,792.60/x
  3. Step 3: Cross multiply
    124,914.60x = 187,371.90 × 111,792.60
  4. Step 4: Simplify right side
    124,914.60x = 20,946,791,867.94
  5. Step 5: Solve for x
    x = 20,946,791,867.94/124,914.60
  6. Step 6: Final answer
    x = 167,688.90

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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.