Home / 173,275.53-260,006.34-72,143.40

Finding the Fourth Proportional to 173,275.53, 260,006.34 and 72,143.40

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Solution

The fourth proportional to 173,275.53, 260,006.34 and 72,143.40 is: 108,253.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,275.53 : 260,006.34 = 72,143.40 : x
  2. Step 2: Convert to fraction form
    173,275.53/260,006.34 = 72,143.40/x
  3. Step 3: Cross multiply
    173,275.53x = 260,006.34 × 72,143.40
  4. Step 4: Simplify right side
    173,275.53x = 18,757,740,414.13
  5. Step 5: Solve for x
    x = 18,757,740,414.13/173,275.53
  6. Step 6: Final answer
    x = 108,253.84

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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.