Home / 191,339.27-287,073.44-84,708.50

Finding the Fourth Proportional to 191,339.27, 287,073.44 and 84,708.50

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Solution

The fourth proportional to 191,339.27, 287,073.44 and 84,708.50 is: 127,091.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,339.27 : 287,073.44 = 84,708.50 : x
  2. Step 2: Convert to fraction form
    191,339.27/287,073.44 = 84,708.50/x
  3. Step 3: Cross multiply
    191,339.27x = 287,073.44 × 84,708.50
  4. Step 4: Simplify right side
    191,339.27x = 24,317,558,633.33
  5. Step 5: Solve for x
    x = 24,317,558,633.33/191,339.27
  6. Step 6: Final answer
    x = 127,091.31

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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.