Home / 352,922.70-529,384.05-142,452.30

Finding the Fourth Proportional to 352,922.70, 529,384.05 and 142,452.30

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Solution

The fourth proportional to 352,922.70, 529,384.05 and 142,452.30 is: 213,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,922.70 : 529,384.05 = 142,452.30 : x
  2. Step 2: Convert to fraction form
    352,922.70/529,384.05 = 142,452.30/x
  3. Step 3: Cross multiply
    352,922.70x = 529,384.05 × 142,452.30
  4. Step 4: Simplify right side
    352,922.70x = 75,411,975,505.82
  5. Step 5: Solve for x
    x = 75,411,975,505.82/352,922.70
  6. Step 6: Final answer
    x = 213,678.45

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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.