Home / 292,864.08-439,174.42-143,060.88

Finding the Fourth Proportional to 292,864.08, 439,174.42 and 143,060.88

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Solution

The fourth proportional to 292,864.08, 439,174.42 and 143,060.88 is: 214,531.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,864.08 : 439,174.42 = 143,060.88 : x
  2. Step 2: Convert to fraction form
    292,864.08/439,174.42 = 143,060.88/x
  3. Step 3: Cross multiply
    292,864.08x = 439,174.42 × 143,060.88
  4. Step 4: Simplify right side
    292,864.08x = 62,828,678,998.69
  5. Step 5: Solve for x
    x = 62,828,678,998.69/292,864.08
  6. Step 6: Final answer
    x = 214,531.87

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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.