Home / 434,098.68-651,172.59-134,621.83

Finding the Fourth Proportional to 434,098.68, 651,172.59 and 134,621.83

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Solution

The fourth proportional to 434,098.68, 651,172.59 and 134,621.83 is: 201,940.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,098.68 : 651,172.59 = 134,621.83 : x
  2. Step 2: Convert to fraction form
    434,098.68/651,172.59 = 134,621.83/x
  3. Step 3: Cross multiply
    434,098.68x = 651,172.59 × 134,621.83
  4. Step 4: Simplify right side
    434,098.68x = 87,662,045,711.64
  5. Step 5: Solve for x
    x = 87,662,045,711.64/434,098.68
  6. Step 6: Final answer
    x = 201,940.36

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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.