Home / 229,066.44-316,111.38-128,463.56

Finding the Fourth Proportional to 229,066.44, 316,111.38 and 128,463.56

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Solution

The fourth proportional to 229,066.44, 316,111.38 and 128,463.56 is: 177,279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,066.44 : 316,111.38 = 128,463.56 : x
  2. Step 2: Convert to fraction form
    229,066.44/316,111.38 = 128,463.56/x
  3. Step 3: Cross multiply
    229,066.44x = 316,111.38 × 128,463.56
  4. Step 4: Simplify right side
    229,066.44x = 40,608,793,231.31
  5. Step 5: Solve for x
    x = 40,608,793,231.31/229,066.44
  6. Step 6: Final answer
    x = 177,279.54

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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.