Home / 197,134.83-272,045.77-106,490.77

Finding the Fourth Proportional to 197,134.83, 272,045.77 and 106,490.77

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Solution

The fourth proportional to 197,134.83, 272,045.77 and 106,490.77 is: 146,957.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,134.83 : 272,045.77 = 106,490.77 : x
  2. Step 2: Convert to fraction form
    197,134.83/272,045.77 = 106,490.77/x
  3. Step 3: Cross multiply
    197,134.83x = 272,045.77 × 106,490.77
  4. Step 4: Simplify right side
    197,134.83x = 28,970,362,576.20
  5. Step 5: Solve for x
    x = 28,970,362,576.20/197,134.83
  6. Step 6: Final answer
    x = 146,957.10

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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.