Home / 122,138.72-183,234.18-37,897.04

Finding the Fourth Proportional to 122,138.72, 183,234.18 and 37,897.04

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Solution

The fourth proportional to 122,138.72, 183,234.18 and 37,897.04 is: 56,853.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,138.72 : 183,234.18 = 37,897.04 : x
  2. Step 2: Convert to fraction form
    122,138.72/183,234.18 = 37,897.04/x
  3. Step 3: Cross multiply
    122,138.72x = 183,234.18 × 37,897.04
  4. Step 4: Simplify right side
    122,138.72x = 6,944,033,048.83
  5. Step 5: Solve for x
    x = 6,944,033,048.83/122,138.72
  6. Step 6: Final answer
    x = 56,853.66

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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.