Home / 304,828.19-457,253.28-105,155.09

Finding the Fourth Proportional to 304,828.19, 457,253.28 and 105,155.09

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Solution

The fourth proportional to 304,828.19, 457,253.28 and 105,155.09 is: 157,736.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,828.19 : 457,253.28 = 105,155.09 : x
  2. Step 2: Convert to fraction form
    304,828.19/457,253.28 = 105,155.09/x
  3. Step 3: Cross multiply
    304,828.19x = 457,253.28 × 105,155.09
  4. Step 4: Simplify right side
    304,828.19x = 48,082,507,524.93
  5. Step 5: Solve for x
    x = 48,082,507,524.93/304,828.19
  6. Step 6: Final answer
    x = 157,736.42

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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.