Home / 352,922.88-529,031.52-142,678.56

Finding the Fourth Proportional to 352,922.88, 529,031.52 and 142,678.56

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Solution

The fourth proportional to 352,922.88, 529,031.52 and 142,678.56 is: 213,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,922.88 : 529,031.52 = 142,678.56 : x
  2. Step 2: Convert to fraction form
    352,922.88/529,031.52 = 142,678.56/x
  3. Step 3: Cross multiply
    352,922.88x = 529,031.52 × 142,678.56
  4. Step 4: Simplify right side
    352,922.88x = 75,481,455,468.21
  5. Step 5: Solve for x
    x = 75,481,455,468.21/352,922.88
  6. Step 6: Final answer
    x = 213,875.21

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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.