Home / 148,415.76-222,623.64-43,242.96

Finding the Fourth Proportional to 148,415.76, 222,623.64 and 43,242.96

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Solution

The fourth proportional to 148,415.76, 222,623.64 and 43,242.96 is: 64,864.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,415.76 : 222,623.64 = 43,242.96 : x
  2. Step 2: Convert to fraction form
    148,415.76/222,623.64 = 43,242.96/x
  3. Step 3: Cross multiply
    148,415.76x = 222,623.64 × 43,242.96
  4. Step 4: Simplify right side
    148,415.76x = 9,626,905,159.57
  5. Step 5: Solve for x
    x = 9,626,905,159.57/148,415.76
  6. Step 6: Final answer
    x = 64,864.44

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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.