Home / 148,581.06-222,871.56-69,695.28

Finding the Fourth Proportional to 148,581.06, 222,871.56 and 69,695.28

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Solution

The fourth proportional to 148,581.06, 222,871.56 and 69,695.28 is: 104,542.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,581.06 : 222,871.56 = 69,695.28 : x
  2. Step 2: Convert to fraction form
    148,581.06/222,871.56 = 69,695.28/x
  3. Step 3: Cross multiply
    148,581.06x = 222,871.56 × 69,695.28
  4. Step 4: Simplify right side
    148,581.06x = 15,533,095,516.88
  5. Step 5: Solve for x
    x = 15,533,095,516.88/148,581.06
  6. Step 6: Final answer
    x = 104,542.91

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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.