Home / 219,025.90-328,356.60-92,763.10

Finding the Fourth Proportional to 219,025.90, 328,356.60 and 92,763.10

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Solution

The fourth proportional to 219,025.90, 328,356.60 and 92,763.10 is: 139,067.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,025.90 : 328,356.60 = 92,763.10 : x
  2. Step 2: Convert to fraction form
    219,025.90/328,356.60 = 92,763.10/x
  3. Step 3: Cross multiply
    219,025.90x = 328,356.60 × 92,763.10
  4. Step 4: Simplify right side
    219,025.90x = 30,459,376,121.46
  5. Step 5: Solve for x
    x = 30,459,376,121.46/219,025.90
  6. Step 6: Final answer
    x = 139,067.46

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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.