Home / 219,036.20-328,554.30-190,167.80

Finding the Fourth Proportional to 219,036.20, 328,554.30 and 190,167.80

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Solution

The fourth proportional to 219,036.20, 328,554.30 and 190,167.80 is: 285,251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,036.20 : 328,554.30 = 190,167.80 : x
  2. Step 2: Convert to fraction form
    219,036.20/328,554.30 = 190,167.80/x
  3. Step 3: Cross multiply
    219,036.20x = 328,554.30 × 190,167.80
  4. Step 4: Simplify right side
    219,036.20x = 62,480,448,411.54
  5. Step 5: Solve for x
    x = 62,480,448,411.54/219,036.20
  6. Step 6: Final answer
    x = 285,251.70

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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.