Home / 351,974.04-528,059.46-115,482.80

Finding the Fourth Proportional to 351,974.04, 528,059.46 and 115,482.80

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Solution

The fourth proportional to 351,974.04, 528,059.46 and 115,482.80 is: 173,256.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,974.04 : 528,059.46 = 115,482.80 : x
  2. Step 2: Convert to fraction form
    351,974.04/528,059.46 = 115,482.80/x
  3. Step 3: Cross multiply
    351,974.04x = 528,059.46 × 115,482.80
  4. Step 4: Simplify right side
    351,974.04x = 60,981,785,007.29
  5. Step 5: Solve for x
    x = 60,981,785,007.29/351,974.04
  6. Step 6: Final answer
    x = 173,256.49

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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.