Home / 191,091.47-263,709.59-105,054.08

Finding the Fourth Proportional to 191,091.47, 263,709.59 and 105,054.08

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Solution

The fourth proportional to 191,091.47, 263,709.59 and 105,054.08 is: 144,976.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,091.47 : 263,709.59 = 105,054.08 : x
  2. Step 2: Convert to fraction form
    191,091.47/263,709.59 = 105,054.08/x
  3. Step 3: Cross multiply
    191,091.47x = 263,709.59 × 105,054.08
  4. Step 4: Simplify right side
    191,091.47x = 27,703,766,520.81
  5. Step 5: Solve for x
    x = 27,703,766,520.81/191,091.47
  6. Step 6: Final answer
    x = 144,976.47

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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.