Home / 460,108.83-690,153.13-123,149.46

Finding the Fourth Proportional to 460,108.83, 690,153.13 and 123,149.46

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Solution

The fourth proportional to 460,108.83, 690,153.13 and 123,149.46 is: 184,721.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,108.83 : 690,153.13 = 123,149.46 : x
  2. Step 2: Convert to fraction form
    460,108.83/690,153.13 = 123,149.46/x
  3. Step 3: Cross multiply
    460,108.83x = 690,153.13 × 123,149.46
  4. Step 4: Simplify right side
    460,108.83x = 84,991,983,218.49
  5. Step 5: Solve for x
    x = 84,991,983,218.49/460,108.83
  6. Step 6: Final answer
    x = 184,721.48

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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.