Home / 191,039.65-263,621.91-104,996.77

Finding the Fourth Proportional to 191,039.65, 263,621.91 and 104,996.77

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Solution

The fourth proportional to 191,039.65, 263,621.91 and 104,996.77 is: 144,888.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,039.65 : 263,621.91 = 104,996.77 : x
  2. Step 2: Convert to fraction form
    191,039.65/263,621.91 = 104,996.77/x
  3. Step 3: Cross multiply
    191,039.65x = 263,621.91 × 104,996.77
  4. Step 4: Simplify right side
    191,039.65x = 27,679,449,051.23
  5. Step 5: Solve for x
    x = 27,679,449,051.23/191,039.65
  6. Step 6: Final answer
    x = 144,888.50

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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.