Home / 219,242.80-328,898.56-92,883.36

Finding the Fourth Proportional to 219,242.80, 328,898.56 and 92,883.36

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Solution

The fourth proportional to 219,242.80, 328,898.56 and 92,883.36 is: 139,339.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,242.80 : 328,898.56 = 92,883.36 : x
  2. Step 2: Convert to fraction form
    219,242.80/328,898.56 = 92,883.36/x
  3. Step 3: Cross multiply
    219,242.80x = 328,898.56 × 92,883.36
  4. Step 4: Simplify right side
    219,242.80x = 30,549,203,351.96
  5. Step 5: Solve for x
    x = 30,549,203,351.96/219,242.80
  6. Step 6: Final answer
    x = 139,339.60

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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.