Home / 219,623.20-329,434.80-185,408.80

Finding the Fourth Proportional to 219,623.20, 329,434.80 and 185,408.80

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Solution

The fourth proportional to 219,623.20, 329,434.80 and 185,408.80 is: 278,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,623.20 : 329,434.80 = 185,408.80 : x
  2. Step 2: Convert to fraction form
    219,623.20/329,434.80 = 185,408.80/x
  3. Step 3: Cross multiply
    219,623.20x = 329,434.80 × 185,408.80
  4. Step 4: Simplify right side
    219,623.20x = 61,080,110,946.24
  5. Step 5: Solve for x
    x = 61,080,110,946.24/219,623.20
  6. Step 6: Final answer
    x = 278,113.20

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1.5x scale

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.