Home / 459,043.93-688,511.10-122,109.24

Finding the Fourth Proportional to 459,043.93, 688,511.10 and 122,109.24

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Solution

The fourth proportional to 459,043.93, 688,511.10 and 122,109.24 is: 183,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,043.93 : 688,511.10 = 122,109.24 : x
  2. Step 2: Convert to fraction form
    459,043.93/688,511.10 = 122,109.24/x
  3. Step 3: Cross multiply
    459,043.93x = 688,511.10 × 122,109.24
  4. Step 4: Simplify right side
    459,043.93x = 84,073,567,152.56
  5. Step 5: Solve for x
    x = 84,073,567,152.56/459,043.93
  6. Step 6: Final answer
    x = 183,149.28

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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.