Home / 191,997.36-264,957.12-107,118

Finding the Fourth Proportional to 191,997.36, 264,957.12 and 107,118

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Solution

The fourth proportional to 191,997.36, 264,957.12 and 107,118 is: 147,823.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,997.36 : 264,957.12 = 107,118 : x
  2. Step 2: Convert to fraction form
    191,997.36/264,957.12 = 107,118/x
  3. Step 3: Cross multiply
    191,997.36x = 264,957.12 × 107,118
  4. Step 4: Simplify right side
    191,997.36x = 28,381,676,780.16
  5. Step 5: Solve for x
    x = 28,381,676,780.16/191,997.36
  6. Step 6: Final answer
    x = 147,823.27

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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.