Home / 198,570.47-274,030.03-107,926.41

Finding the Fourth Proportional to 198,570.47, 274,030.03 and 107,926.41

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Solution

The fourth proportional to 198,570.47, 274,030.03 and 107,926.41 is: 148,939.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,570.47 : 274,030.03 = 107,926.41 : x
  2. Step 2: Convert to fraction form
    198,570.47/274,030.03 = 107,926.41/x
  3. Step 3: Cross multiply
    198,570.47x = 274,030.03 × 107,926.41
  4. Step 4: Simplify right side
    198,570.47x = 29,575,075,730.13
  5. Step 5: Solve for x
    x = 29,575,075,730.13/198,570.47
  6. Step 6: Final answer
    x = 148,939.95

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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.