Home / 459,048.20-688,517.46-122,113.49

Finding the Fourth Proportional to 459,048.20, 688,517.46 and 122,113.49

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Solution

The fourth proportional to 459,048.20, 688,517.46 and 122,113.49 is: 183,155.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,048.20 : 688,517.46 = 122,113.49 : x
  2. Step 2: Convert to fraction form
    459,048.20/688,517.46 = 122,113.49/x
  3. Step 3: Cross multiply
    459,048.20x = 688,517.46 × 122,113.49
  4. Step 4: Simplify right side
    459,048.20x = 84,077,266,523.95
  5. Step 5: Solve for x
    x = 84,077,266,523.95/459,048.20
  6. Step 6: Final answer
    x = 183,155.64

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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.