Home / 226,830.54-312,972.63-190,669.44

Finding the Fourth Proportional to 226,830.54, 312,972.63 and 190,669.44

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Solution

The fourth proportional to 226,830.54, 312,972.63 and 190,669.44 is: 263,078.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,830.54 : 312,972.63 = 190,669.44 : x
  2. Step 2: Convert to fraction form
    226,830.54/312,972.63 = 190,669.44/x
  3. Step 3: Cross multiply
    226,830.54x = 312,972.63 × 190,669.44
  4. Step 4: Simplify right side
    226,830.54x = 59,674,316,097.43
  5. Step 5: Solve for x
    x = 59,674,316,097.43/226,830.54
  6. Step 6: Final answer
    x = 263,078.84

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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.