Home / 191,837.40-264,738.94-105,806.28

Finding the Fourth Proportional to 191,837.40, 264,738.94 and 105,806.28

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Solution

The fourth proportional to 191,837.40, 264,738.94 and 105,806.28 is: 146,014.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,837.40 : 264,738.94 = 105,806.28 : x
  2. Step 2: Convert to fraction form
    191,837.40/264,738.94 = 105,806.28/x
  3. Step 3: Cross multiply
    191,837.40x = 264,738.94 × 105,806.28
  4. Step 4: Simplify right side
    191,837.40x = 28,011,042,412.54
  5. Step 5: Solve for x
    x = 28,011,042,412.54/191,837.40
  6. Step 6: Final answer
    x = 146,014.50

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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.