Home / 198,561.09-274,054.16-117,973.10

Finding the Fourth Proportional to 198,561.09, 274,054.16 and 117,973.10

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Solution

The fourth proportional to 198,561.09, 274,054.16 and 117,973.10 is: 162,826.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,561.09 : 274,054.16 = 117,973.10 : x
  2. Step 2: Convert to fraction form
    198,561.09/274,054.16 = 117,973.10/x
  3. Step 3: Cross multiply
    198,561.09x = 274,054.16 × 117,973.10
  4. Step 4: Simplify right side
    198,561.09x = 32,331,018,823.10
  5. Step 5: Solve for x
    x = 32,331,018,823.10/198,561.09
  6. Step 6: Final answer
    x = 162,826.56

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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.