Home / 191,990.14-264,946.50-107,107.20

Finding the Fourth Proportional to 191,990.14, 264,946.50 and 107,107.20

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Solution

The fourth proportional to 191,990.14, 264,946.50 and 107,107.20 is: 147,808.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,990.14 : 264,946.50 = 107,107.20 : x
  2. Step 2: Convert to fraction form
    191,990.14/264,946.50 = 107,107.20/x
  3. Step 3: Cross multiply
    191,990.14x = 264,946.50 × 107,107.20
  4. Step 4: Simplify right side
    191,990.14x = 28,377,677,764.80
  5. Step 5: Solve for x
    x = 28,377,677,764.80/191,990.14
  6. Step 6: Final answer
    x = 147,808.00

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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.