Home / 459,161.88-688,748.57-122,200.45

Finding the Fourth Proportional to 459,161.88, 688,748.57 and 122,200.45

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Solution

The fourth proportional to 459,161.88, 688,748.57 and 122,200.45 is: 183,302.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,161.88 : 688,748.57 = 122,200.45 : x
  2. Step 2: Convert to fraction form
    459,161.88/688,748.57 = 122,200.45/x
  3. Step 3: Cross multiply
    459,161.88x = 688,748.57 × 122,200.45
  4. Step 4: Simplify right side
    459,161.88x = 84,165,385,190.86
  5. Step 5: Solve for x
    x = 84,165,385,190.86/459,161.88
  6. Step 6: Final answer
    x = 183,302.21

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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.