Home / 384,784.20-577,176.30-104,301.45

Finding the Fourth Proportional to 384,784.20, 577,176.30 and 104,301.45

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Solution

The fourth proportional to 384,784.20, 577,176.30 and 104,301.45 is: 156,452.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,784.20 : 577,176.30 = 104,301.45 : x
  2. Step 2: Convert to fraction form
    384,784.20/577,176.30 = 104,301.45/x
  3. Step 3: Cross multiply
    384,784.20x = 577,176.30 × 104,301.45
  4. Step 4: Simplify right side
    384,784.20x = 60,200,324,995.64
  5. Step 5: Solve for x
    x = 60,200,324,995.64/384,784.20
  6. Step 6: Final answer
    x = 156,452.18

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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.