Home / 459,049.20-688,518.96-122,114.49

Finding the Fourth Proportional to 459,049.20, 688,518.96 and 122,114.49

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Solution

The fourth proportional to 459,049.20, 688,518.96 and 122,114.49 is: 183,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,049.20 : 688,518.96 = 122,114.49 : x
  2. Step 2: Convert to fraction form
    459,049.20/688,518.96 = 122,114.49/x
  3. Step 3: Cross multiply
    459,049.20x = 688,518.96 × 122,114.49
  4. Step 4: Simplify right side
    459,049.20x = 84,078,141,655.73
  5. Step 5: Solve for x
    x = 84,078,141,655.73/459,049.20
  6. Step 6: Final answer
    x = 183,157.15

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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.