Home / 367,931.28-551,976.56-111,742.86

Finding the Fourth Proportional to 367,931.28, 551,976.56 and 111,742.86

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Solution

The fourth proportional to 367,931.28, 551,976.56 and 111,742.86 is: 167,638.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,931.28 : 551,976.56 = 111,742.86 : x
  2. Step 2: Convert to fraction form
    367,931.28/551,976.56 = 111,742.86/x
  3. Step 3: Cross multiply
    367,931.28x = 551,976.56 × 111,742.86
  4. Step 4: Simplify right side
    367,931.28x = 61,679,439,467.36
  5. Step 5: Solve for x
    x = 61,679,439,467.36/367,931.28
  6. Step 6: Final answer
    x = 167,638.48

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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.