Home / 459,046.93-688,515.60-122,112.24

Finding the Fourth Proportional to 459,046.93, 688,515.60 and 122,112.24

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Solution

The fourth proportional to 459,046.93, 688,515.60 and 122,112.24 is: 183,153.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,046.93 : 688,515.60 = 122,112.24 : x
  2. Step 2: Convert to fraction form
    459,046.93/688,515.60 = 122,112.24/x
  3. Step 3: Cross multiply
    459,046.93x = 688,515.60 × 122,112.24
  4. Step 4: Simplify right side
    459,046.93x = 84,076,182,190.94
  5. Step 5: Solve for x
    x = 84,076,182,190.94/459,046.93
  6. Step 6: Final answer
    x = 183,153.78

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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.