Home / 460,725.10-691,084.91-119,168.55

Finding the Fourth Proportional to 460,725.10, 691,084.91 and 119,168.55

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Solution

The fourth proportional to 460,725.10, 691,084.91 and 119,168.55 is: 178,752.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,725.10 : 691,084.91 = 119,168.55 : x
  2. Step 2: Convert to fraction form
    460,725.10/691,084.91 = 119,168.55/x
  3. Step 3: Cross multiply
    460,725.10x = 691,084.91 × 119,168.55
  4. Step 4: Simplify right side
    460,725.10x = 82,355,586,949.50
  5. Step 5: Solve for x
    x = 82,355,586,949.50/460,725.10
  6. Step 6: Final answer
    x = 178,752.12

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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.