Home / 219,015.90-328,341.60-92,753.10

Finding the Fourth Proportional to 219,015.90, 328,341.60 and 92,753.10

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Solution

The fourth proportional to 219,015.90, 328,341.60 and 92,753.10 is: 139,052.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,015.90 : 328,341.60 = 92,753.10 : x
  2. Step 2: Convert to fraction form
    219,015.90/328,341.60 = 92,753.10/x
  3. Step 3: Cross multiply
    219,015.90x = 328,341.60 × 92,753.10
  4. Step 4: Simplify right side
    219,015.90x = 30,454,701,258.96
  5. Step 5: Solve for x
    x = 30,454,701,258.96/219,015.90
  6. Step 6: Final answer
    x = 139,052.47

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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.