Home / 198,812.61-274,271.00-118,194.39

Finding the Fourth Proportional to 198,812.61, 274,271.00 and 118,194.39

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Solution

The fourth proportional to 198,812.61, 274,271.00 and 118,194.39 is: 163,054.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,812.61 : 274,271.00 = 118,194.39 : x
  2. Step 2: Convert to fraction form
    198,812.61/274,271.00 = 118,194.39/x
  3. Step 3: Cross multiply
    198,812.61x = 274,271.00 × 118,194.39
  4. Step 4: Simplify right side
    198,812.61x = 32,417,292,948.72
  5. Step 5: Solve for x
    x = 32,417,292,948.72/198,812.61
  6. Step 6: Final answer
    x = 163,054.51

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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.