Home / 93,193.20-139,516.43-83,574.05

Finding the Fourth Proportional to 93,193.20, 139,516.43 and 83,574.05

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Solution

The fourth proportional to 93,193.20, 139,516.43 and 83,574.05 is: 125,115.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,193.20 : 139,516.43 = 83,574.05 : x
  2. Step 2: Convert to fraction form
    93,193.20/139,516.43 = 83,574.05/x
  3. Step 3: Cross multiply
    93,193.20x = 139,516.43 × 83,574.05
  4. Step 4: Simplify right side
    93,193.20x = 11,659,951,981.19
  5. Step 5: Solve for x
    x = 11,659,951,981.19/93,193.20
  6. Step 6: Final answer
    x = 125,115.91

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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.