Home / 459,162.88-688,750.07-122,201.45

Finding the Fourth Proportional to 459,162.88, 688,750.07 and 122,201.45

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Solution

The fourth proportional to 459,162.88, 688,750.07 and 122,201.45 is: 183,303.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,162.88 : 688,750.07 = 122,201.45 : x
  2. Step 2: Convert to fraction form
    459,162.88/688,750.07 = 122,201.45/x
  3. Step 3: Cross multiply
    459,162.88x = 688,750.07 × 122,201.45
  4. Step 4: Simplify right side
    459,162.88x = 84,166,257,241.60
  5. Step 5: Solve for x
    x = 84,166,257,241.60/459,162.88
  6. Step 6: Final answer
    x = 183,303.71

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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.