Home / 434,098.56-651,172.44-134,621.70

Finding the Fourth Proportional to 434,098.56, 651,172.44 and 134,621.70

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Solution

The fourth proportional to 434,098.56, 651,172.44 and 134,621.70 is: 201,940.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,098.56 : 651,172.44 = 134,621.70 : x
  2. Step 2: Convert to fraction form
    434,098.56/651,172.44 = 134,621.70/x
  3. Step 3: Cross multiply
    434,098.56x = 651,172.44 × 134,621.70
  4. Step 4: Simplify right side
    434,098.56x = 87,661,940,865.95
  5. Step 5: Solve for x
    x = 87,661,940,865.95/434,098.56
  6. Step 6: Final answer
    x = 201,940.18

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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.