Home / 305,081.19-457,427.39-136,653.03

Finding the Fourth Proportional to 305,081.19, 457,427.39 and 136,653.03

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Solution

The fourth proportional to 305,081.19, 457,427.39 and 136,653.03 is: 204,892.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,081.19 : 457,427.39 = 136,653.03 : x
  2. Step 2: Convert to fraction form
    305,081.19/457,427.39 = 136,653.03/x
  3. Step 3: Cross multiply
    305,081.19x = 457,427.39 × 136,653.03
  4. Step 4: Simplify right side
    305,081.19x = 62,508,838,165.23
  5. Step 5: Solve for x
    x = 62,508,838,165.23/305,081.19
  6. Step 6: Final answer
    x = 204,892.47

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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.