Home / 191,979.98-287,968.76-65,559.23

Finding the Fourth Proportional to 191,979.98, 287,968.76 and 65,559.23

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Solution

The fourth proportional to 191,979.98, 287,968.76 and 65,559.23 is: 98,338.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,979.98 : 287,968.76 = 65,559.23 : x
  2. Step 2: Convert to fraction form
    191,979.98/287,968.76 = 65,559.23/x
  3. Step 3: Cross multiply
    191,979.98x = 287,968.76 × 65,559.23
  4. Step 4: Simplify right side
    191,979.98x = 18,879,010,169.65
  5. Step 5: Solve for x
    x = 18,879,010,169.65/191,979.98
  6. Step 6: Final answer
    x = 98,338.43

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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.