Home / 459,016.08-688,259.25-178,205.28

Finding the Fourth Proportional to 459,016.08, 688,259.25 and 178,205.28

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Solution

The fourth proportional to 459,016.08, 688,259.25 and 178,205.28 is: 267,205.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,016.08 : 688,259.25 = 178,205.28 : x
  2. Step 2: Convert to fraction form
    459,016.08/688,259.25 = 178,205.28/x
  3. Step 3: Cross multiply
    459,016.08x = 688,259.25 × 178,205.28
  4. Step 4: Simplify right side
    459,016.08x = 122,651,432,358.84
  5. Step 5: Solve for x
    x = 122,651,432,358.84/459,016.08
  6. Step 6: Final answer
    x = 267,205.09

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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.