Home / 208,259.29-312,401.05-58,511.26

Finding the Fourth Proportional to 208,259.29, 312,401.05 and 58,511.26

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Solution

The fourth proportional to 208,259.29, 312,401.05 and 58,511.26 is: 87,770.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,259.29 : 312,401.05 = 58,511.26 : x
  2. Step 2: Convert to fraction form
    208,259.29/312,401.05 = 58,511.26/x
  3. Step 3: Cross multiply
    208,259.29x = 312,401.05 × 58,511.26
  4. Step 4: Simplify right side
    208,259.29x = 18,278,979,305.05
  5. Step 5: Solve for x
    x = 18,278,979,305.05/208,259.29
  6. Step 6: Final answer
    x = 87,770.29

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1.5x scale

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.