Home / 193,120.18-289,680.51-52,880.02

Finding the Fourth Proportional to 193,120.18, 289,680.51 and 52,880.02

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Solution

The fourth proportional to 193,120.18, 289,680.51 and 52,880.02 is: 79,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,120.18 : 289,680.51 = 52,880.02 : x
  2. Step 2: Convert to fraction form
    193,120.18/289,680.51 = 52,880.02/x
  3. Step 3: Cross multiply
    193,120.18x = 289,680.51 × 52,880.02
  4. Step 4: Simplify right side
    193,120.18x = 15,318,311,162.41
  5. Step 5: Solve for x
    x = 15,318,311,162.41/193,120.18
  6. Step 6: Final answer
    x = 79,320.10

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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.