Home / 191,626.08-287,416.44-51,394.56

Finding the Fourth Proportional to 191,626.08, 287,416.44 and 51,394.56

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Solution

The fourth proportional to 191,626.08, 287,416.44 and 51,394.56 is: 77,085.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,626.08 : 287,416.44 = 51,394.56 : x
  2. Step 2: Convert to fraction form
    191,626.08/287,416.44 = 51,394.56/x
  3. Step 3: Cross multiply
    191,626.08x = 287,416.44 × 51,394.56
  4. Step 4: Simplify right side
    191,626.08x = 14,771,641,470.57
  5. Step 5: Solve for x
    x = 14,771,641,470.57/191,626.08
  6. Step 6: Final answer
    x = 77,085.76

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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.