Home / 191,559.16-287,383.67-58,439.37

Finding the Fourth Proportional to 191,559.16, 287,383.67 and 58,439.37

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Solution

The fourth proportional to 191,559.16, 287,383.67 and 58,439.37 is: 87,672.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,559.16 : 287,383.67 = 58,439.37 : x
  2. Step 2: Convert to fraction form
    191,559.16/287,383.67 = 58,439.37/x
  3. Step 3: Cross multiply
    191,559.16x = 287,383.67 × 58,439.37
  4. Step 4: Simplify right side
    191,559.16x = 16,794,521,976.99
  5. Step 5: Solve for x
    x = 16,794,521,976.99/191,559.16
  6. Step 6: Final answer
    x = 87,672.77

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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.