Home / 191,394.05-286,898.07-120,367.43

Finding the Fourth Proportional to 191,394.05, 286,898.07 and 120,367.43

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Solution

The fourth proportional to 191,394.05, 286,898.07 and 120,367.43 is: 180,429.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,394.05 : 286,898.07 = 120,367.43 : x
  2. Step 2: Convert to fraction form
    191,394.05/286,898.07 = 120,367.43/x
  3. Step 3: Cross multiply
    191,394.05x = 286,898.07 × 120,367.43
  4. Step 4: Simplify right side
    191,394.05x = 34,533,181,923.37
  5. Step 5: Solve for x
    x = 34,533,181,923.37/191,394.05
  6. Step 6: Final answer
    x = 180,429.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.