Home / 207,776.08-312,226.89-113,076.28

Finding the Fourth Proportional to 207,776.08, 312,226.89 and 113,076.28

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Solution

The fourth proportional to 207,776.08, 312,226.89 and 113,076.28 is: 169,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,776.08 : 312,226.89 = 113,076.28 : x
  2. Step 2: Convert to fraction form
    207,776.08/312,226.89 = 113,076.28/x
  3. Step 3: Cross multiply
    207,776.08x = 312,226.89 × 113,076.28
  4. Step 4: Simplify right side
    207,776.08x = 35,305,455,237.17
  5. Step 5: Solve for x
    x = 35,305,455,237.17/207,776.08
  6. Step 6: Final answer
    x = 169,920.69

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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.