Home / 226,385.81-312,273.46-134,442.64

Finding the Fourth Proportional to 226,385.81, 312,273.46 and 134,442.64

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Solution

The fourth proportional to 226,385.81, 312,273.46 and 134,442.64 is: 185,448.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,385.81 : 312,273.46 = 134,442.64 : x
  2. Step 2: Convert to fraction form
    226,385.81/312,273.46 = 134,442.64/x
  3. Step 3: Cross multiply
    226,385.81x = 312,273.46 × 134,442.64
  4. Step 4: Simplify right side
    226,385.81x = 41,982,868,364.33
  5. Step 5: Solve for x
    x = 41,982,868,364.33/226,385.81
  6. Step 6: Final answer
    x = 185,448.32

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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.