Home / 492,937.08-738,962.64-177,172.56

Finding the Fourth Proportional to 492,937.08, 738,962.64 and 177,172.56

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Solution

The fourth proportional to 492,937.08, 738,962.64 and 177,172.56 is: 265,599.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,937.08 : 738,962.64 = 177,172.56 : x
  2. Step 2: Convert to fraction form
    492,937.08/738,962.64 = 177,172.56/x
  3. Step 3: Cross multiply
    492,937.08x = 738,962.64 × 177,172.56
  4. Step 4: Simplify right side
    492,937.08x = 130,923,902,673.16
  5. Step 5: Solve for x
    x = 130,923,902,673.16/492,937.08
  6. Step 6: Final answer
    x = 265,599.62

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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.