Home / 198,598.41-274,068.45-107,955.77

Finding the Fourth Proportional to 198,598.41, 274,068.45 and 107,955.77

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Solution

The fourth proportional to 198,598.41, 274,068.45 and 107,955.77 is: 148,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,598.41 : 274,068.45 = 107,955.77 : x
  2. Step 2: Convert to fraction form
    198,598.41/274,068.45 = 107,955.77/x
  3. Step 3: Cross multiply
    198,598.41x = 274,068.45 × 107,955.77
  4. Step 4: Simplify right side
    198,598.41x = 29,587,269,182.11
  5. Step 5: Solve for x
    x = 29,587,269,182.11/198,598.41
  6. Step 6: Final answer
    x = 148,980.39

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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.