Home / 199,011.93-274,632.51-108,368.97

Finding the Fourth Proportional to 199,011.93, 274,632.51 and 108,368.97

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Solution

The fourth proportional to 199,011.93, 274,632.51 and 108,368.97 is: 149,547.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,011.93 : 274,632.51 = 108,368.97 : x
  2. Step 2: Convert to fraction form
    199,011.93/274,632.51 = 108,368.97/x
  3. Step 3: Cross multiply
    199,011.93x = 274,632.51 × 108,368.97
  4. Step 4: Simplify right side
    199,011.93x = 29,761,642,237.21
  5. Step 5: Solve for x
    x = 29,761,642,237.21/199,011.93
  6. Step 6: Final answer
    x = 149,547.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.