Home / 370,843.20-556,410.60-146,165.40

Finding the Fourth Proportional to 370,843.20, 556,410.60 and 146,165.40

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Solution

The fourth proportional to 370,843.20, 556,410.60 and 146,165.40 is: 219,305.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,843.20 : 556,410.60 = 146,165.40 : x
  2. Step 2: Convert to fraction form
    370,843.20/556,410.60 = 146,165.40/x
  3. Step 3: Cross multiply
    370,843.20x = 556,410.60 × 146,165.40
  4. Step 4: Simplify right side
    370,843.20x = 81,327,977,913.24
  5. Step 5: Solve for x
    x = 81,327,977,913.24/370,843.20
  6. Step 6: Final answer
    x = 219,305.57

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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.