Home / 191,036.79-263,631.96-119,458.71

Finding the Fourth Proportional to 191,036.79, 263,631.96 and 119,458.71

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Solution

The fourth proportional to 191,036.79, 263,631.96 and 119,458.71 is: 164,853.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,036.79 : 263,631.96 = 119,458.71 : x
  2. Step 2: Convert to fraction form
    191,036.79/263,631.96 = 119,458.71/x
  3. Step 3: Cross multiply
    191,036.79x = 263,631.96 × 119,458.71
  4. Step 4: Simplify right side
    191,036.79x = 31,493,133,856.37
  5. Step 5: Solve for x
    x = 31,493,133,856.37/191,036.79
  6. Step 6: Final answer
    x = 164,853.76

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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.