Home / 191,394.17-286,898.26-120,367.56

Finding the Fourth Proportional to 191,394.17, 286,898.26 and 120,367.56

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Solution

The fourth proportional to 191,394.17, 286,898.26 and 120,367.56 is: 180,429.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,394.17 : 286,898.26 = 120,367.56 : x
  2. Step 2: Convert to fraction form
    191,394.17/286,898.26 = 120,367.56/x
  3. Step 3: Cross multiply
    191,394.17x = 286,898.26 × 120,367.56
  4. Step 4: Simplify right side
    191,394.17x = 34,533,243,524.45
  5. Step 5: Solve for x
    x = 34,533,243,524.45/191,394.17
  6. Step 6: Final answer
    x = 180,429.97

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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.