Home / 336,987.19-505,044.46-137,073.79

Finding the Fourth Proportional to 336,987.19, 505,044.46 and 137,073.79

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Solution

The fourth proportional to 336,987.19, 505,044.46 and 137,073.79 is: 205,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,987.19 : 505,044.46 = 137,073.79 : x
  2. Step 2: Convert to fraction form
    336,987.19/505,044.46 = 137,073.79/x
  3. Step 3: Cross multiply
    336,987.19x = 505,044.46 × 137,073.79
  4. Step 4: Simplify right side
    336,987.19x = 69,228,358,250.70
  5. Step 5: Solve for x
    x = 69,228,358,250.70/336,987.19
  6. Step 6: Final answer
    x = 205,433.20

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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.