Home / 226,664.07-312,807-131,152.29

Finding the Fourth Proportional to 226,664.07, 312,807 and 131,152.29

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Solution

The fourth proportional to 226,664.07, 312,807 and 131,152.29 is: 180,996.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,664.07 : 312,807 = 131,152.29 : x
  2. Step 2: Convert to fraction form
    226,664.07/312,807 = 131,152.29/x
  3. Step 3: Cross multiply
    226,664.07x = 312,807 × 131,152.29
  4. Step 4: Simplify right side
    226,664.07x = 41,025,354,378.03
  5. Step 5: Solve for x
    x = 41,025,354,378.03/226,664.07
  6. Step 6: Final answer
    x = 180,996.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.