Home / 459,050.20-688,520.46-122,115.49

Finding the Fourth Proportional to 459,050.20, 688,520.46 and 122,115.49

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Solution

The fourth proportional to 459,050.20, 688,520.46 and 122,115.49 is: 183,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,050.20 : 688,520.46 = 122,115.49 : x
  2. Step 2: Convert to fraction form
    459,050.20/688,520.46 = 122,115.49/x
  3. Step 3: Cross multiply
    459,050.20x = 688,520.46 × 122,115.49
  4. Step 4: Simplify right side
    459,050.20x = 84,079,013,347.93
  5. Step 5: Solve for x
    x = 84,079,013,347.93/459,050.20
  6. Step 6: Final answer
    x = 183,158.65

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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.