Home / 191,310.66-263,898.81-119,566.13

Finding the Fourth Proportional to 191,310.66, 263,898.81 and 119,566.13

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Solution

The fourth proportional to 191,310.66, 263,898.81 and 119,566.13 is: 164,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,310.66 : 263,898.81 = 119,566.13 : x
  2. Step 2: Convert to fraction form
    191,310.66/263,898.81 = 119,566.13/x
  3. Step 3: Cross multiply
    191,310.66x = 263,898.81 × 119,566.13
  4. Step 4: Simplify right side
    191,310.66x = 31,553,358,103.81
  5. Step 5: Solve for x
    x = 31,553,358,103.81/191,310.66
  6. Step 6: Final answer
    x = 164,932.57

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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.