Home / 459,011.08-688,251.75-178,200.28

Finding the Fourth Proportional to 459,011.08, 688,251.75 and 178,200.28

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Solution

The fourth proportional to 459,011.08, 688,251.75 and 178,200.28 is: 267,197.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,011.08 : 688,251.75 = 178,200.28 : x
  2. Step 2: Convert to fraction form
    459,011.08/688,251.75 = 178,200.28/x
  3. Step 3: Cross multiply
    459,011.08x = 688,251.75 × 178,200.28
  4. Step 4: Simplify right side
    459,011.08x = 122,646,654,560.49
  5. Step 5: Solve for x
    x = 122,646,654,560.49/459,011.08
  6. Step 6: Final answer
    x = 267,197.59

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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.