Home / 384,731.10-577,129.46-100,459.44

Finding the Fourth Proportional to 384,731.10, 577,129.46 and 100,459.44

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Solution

The fourth proportional to 384,731.10, 577,129.46 and 100,459.44 is: 150,697.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,731.10 : 577,129.46 = 100,459.44 : x
  2. Step 2: Convert to fraction form
    384,731.10/577,129.46 = 100,459.44/x
  3. Step 3: Cross multiply
    384,731.10x = 577,129.46 × 100,459.44
  4. Step 4: Simplify right side
    384,731.10x = 57,978,101,856.81
  5. Step 5: Solve for x
    x = 57,978,101,856.81/384,731.10
  6. Step 6: Final answer
    x = 150,697.73

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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.