Home / 349,784.38-524,725.44-172,292.86

Finding the Fourth Proportional to 349,784.38, 524,725.44 and 172,292.86

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Solution

The fourth proportional to 349,784.38, 524,725.44 and 172,292.86 is: 258,463.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,784.38 : 524,725.44 = 172,292.86 : x
  2. Step 2: Convert to fraction form
    349,784.38/524,725.44 = 172,292.86/x
  3. Step 3: Cross multiply
    349,784.38x = 524,725.44 × 172,292.86
  4. Step 4: Simplify right side
    349,784.38x = 90,406,446,772.36
  5. Step 5: Solve for x
    x = 90,406,446,772.36/349,784.38
  6. Step 6: Final answer
    x = 258,463.36

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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.