Home / 191,313.76-263,941.68-119,666.56

Finding the Fourth Proportional to 191,313.76, 263,941.68 and 119,666.56

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Solution

The fourth proportional to 191,313.76, 263,941.68 and 119,666.56 is: 165,095.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,313.76 : 263,941.68 = 119,666.56 : x
  2. Step 2: Convert to fraction form
    191,313.76/263,941.68 = 119,666.56/x
  3. Step 3: Cross multiply
    191,313.76x = 263,941.68 × 119,666.56
  4. Step 4: Simplify right side
    191,313.76x = 31,584,992,886.22
  5. Step 5: Solve for x
    x = 31,584,992,886.22/191,313.76
  6. Step 6: Final answer
    x = 165,095.25

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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.