Home / 148,222.15-204,664.50-136,887.49

Finding the Fourth Proportional to 148,222.15, 204,664.50 and 136,887.49

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Solution

The fourth proportional to 148,222.15, 204,664.50 and 136,887.49 is: 189,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,222.15 : 204,664.50 = 136,887.49 : x
  2. Step 2: Convert to fraction form
    148,222.15/204,664.50 = 136,887.49/x
  3. Step 3: Cross multiply
    148,222.15x = 204,664.50 × 136,887.49
  4. Step 4: Simplify right side
    148,222.15x = 28,016,009,697.11
  5. Step 5: Solve for x
    x = 28,016,009,697.11/148,222.15
  6. Step 6: Final answer
    x = 189,013.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.