Home / 291,864.70-437,554.05-123,514.30

Finding the Fourth Proportional to 291,864.70, 437,554.05 and 123,514.30

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Solution

The fourth proportional to 291,864.70, 437,554.05 and 123,514.30 is: 185,168.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,864.70 : 437,554.05 = 123,514.30 : x
  2. Step 2: Convert to fraction form
    291,864.70/437,554.05 = 123,514.30/x
  3. Step 3: Cross multiply
    291,864.70x = 437,554.05 × 123,514.30
  4. Step 4: Simplify right side
    291,864.70x = 54,044,182,197.92
  5. Step 5: Solve for x
    x = 54,044,182,197.92/291,864.70
  6. Step 6: Final answer
    x = 185,168.61

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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.