Home / 173,628.20-260,442.30-107,143.40

Finding the Fourth Proportional to 173,628.20, 260,442.30 and 107,143.40

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Solution

The fourth proportional to 173,628.20, 260,442.30 and 107,143.40 is: 160,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,628.20 : 260,442.30 = 107,143.40 : x
  2. Step 2: Convert to fraction form
    173,628.20/260,442.30 = 107,143.40/x
  3. Step 3: Cross multiply
    173,628.20x = 260,442.30 × 107,143.40
  4. Step 4: Simplify right side
    173,628.20x = 27,904,673,525.82
  5. Step 5: Solve for x
    x = 27,904,673,525.82/173,628.20
  6. Step 6: Final answer
    x = 160,715.10

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1.5x scale

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.