Home / 193,816.74-267,489.28-107,784.30

Finding the Fourth Proportional to 193,816.74, 267,489.28 and 107,784.30

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Solution

The fourth proportional to 193,816.74, 267,489.28 and 107,784.30 is: 148,754.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,816.74 : 267,489.28 = 107,784.30 : x
  2. Step 2: Convert to fraction form
    193,816.74/267,489.28 = 107,784.30/x
  3. Step 3: Cross multiply
    193,816.74x = 267,489.28 × 107,784.30
  4. Step 4: Simplify right side
    193,816.74x = 28,831,144,802.30
  5. Step 5: Solve for x
    x = 28,831,144,802.30/193,816.74
  6. Step 6: Final answer
    x = 148,754.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.