Home / 175,917.40-263,379.30-136,929.40

Finding the Fourth Proportional to 175,917.40, 263,379.30 and 136,929.40

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Solution

The fourth proportional to 175,917.40, 263,379.30 and 136,929.40 is: 205,007.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,917.40 : 263,379.30 = 136,929.40 : x
  2. Step 2: Convert to fraction form
    175,917.40/263,379.30 = 136,929.40/x
  3. Step 3: Cross multiply
    175,917.40x = 263,379.30 × 136,929.40
  4. Step 4: Simplify right side
    175,917.40x = 36,064,369,521.42
  5. Step 5: Solve for x
    x = 36,064,369,521.42/175,917.40
  6. Step 6: Final answer
    x = 205,007.40

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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.