Home / 148,817.54-223,129.38-54,029.90

Finding the Fourth Proportional to 148,817.54, 223,129.38 and 54,029.90

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Solution

The fourth proportional to 148,817.54, 223,129.38 and 54,029.90 is: 81,009.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,817.54 : 223,129.38 = 54,029.90 : x
  2. Step 2: Convert to fraction form
    148,817.54/223,129.38 = 54,029.90/x
  3. Step 3: Cross multiply
    148,817.54x = 223,129.38 × 54,029.90
  4. Step 4: Simplify right side
    148,817.54x = 12,055,658,088.46
  5. Step 5: Solve for x
    x = 12,055,658,088.46/148,817.54
  6. Step 6: Final answer
    x = 81,009.66

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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.