Home / 173,627.20-260,440.80-107,142.40

Finding the Fourth Proportional to 173,627.20, 260,440.80 and 107,142.40

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Solution

The fourth proportional to 173,627.20, 260,440.80 and 107,142.40 is: 160,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,627.20 : 260,440.80 = 107,142.40 : x
  2. Step 2: Convert to fraction form
    173,627.20/260,440.80 = 107,142.40/x
  3. Step 3: Cross multiply
    173,627.20x = 260,440.80 × 107,142.40
  4. Step 4: Simplify right side
    173,627.20x = 27,904,252,369.92
  5. Step 5: Solve for x
    x = 27,904,252,369.92/173,627.20
  6. Step 6: Final answer
    x = 160,713.60

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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.