Home / 198,070.34-273,248.61-117,501.26

Finding the Fourth Proportional to 198,070.34, 273,248.61 and 117,501.26

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Solution

The fourth proportional to 198,070.34, 273,248.61 and 117,501.26 is: 162,099.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,070.34 : 273,248.61 = 117,501.26 : x
  2. Step 2: Convert to fraction form
    198,070.34/273,248.61 = 117,501.26/x
  3. Step 3: Cross multiply
    198,070.34x = 273,248.61 × 117,501.26
  4. Step 4: Simplify right side
    198,070.34x = 32,107,055,968.25
  5. Step 5: Solve for x
    x = 32,107,055,968.25/198,070.34
  6. Step 6: Final answer
    x = 162,099.26

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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.