Home / 148,874.40-223,009.20-92,541.60

Finding the Fourth Proportional to 148,874.40, 223,009.20 and 92,541.60

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Solution

The fourth proportional to 148,874.40, 223,009.20 and 92,541.60 is: 138,624.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,874.40 : 223,009.20 = 92,541.60 : x
  2. Step 2: Convert to fraction form
    148,874.40/223,009.20 = 92,541.60/x
  3. Step 3: Cross multiply
    148,874.40x = 223,009.20 × 92,541.60
  4. Step 4: Simplify right side
    148,874.40x = 20,637,628,182.72
  5. Step 5: Solve for x
    x = 20,637,628,182.72/148,874.40
  6. Step 6: Final answer
    x = 138,624.43

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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.