Home / 316,091.14-474,083.79-105,728.38

Finding the Fourth Proportional to 316,091.14, 474,083.79 and 105,728.38

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Solution

The fourth proportional to 316,091.14, 474,083.79 and 105,728.38 is: 158,574.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,091.14 : 474,083.79 = 105,728.38 : x
  2. Step 2: Convert to fraction form
    316,091.14/474,083.79 = 105,728.38/x
  3. Step 3: Cross multiply
    316,091.14x = 474,083.79 × 105,728.38
  4. Step 4: Simplify right side
    316,091.14x = 50,124,111,100.96
  5. Step 5: Solve for x
    x = 50,124,111,100.96/316,091.14
  6. Step 6: Final answer
    x = 158,574.87

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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.