Home / 161,643.52-222,836.70-113,748.04

Finding the Fourth Proportional to 161,643.52, 222,836.70 and 113,748.04

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Solution

The fourth proportional to 161,643.52, 222,836.70 and 113,748.04 is: 156,809.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,643.52 : 222,836.70 = 113,748.04 : x
  2. Step 2: Convert to fraction form
    161,643.52/222,836.70 = 113,748.04/x
  3. Step 3: Cross multiply
    161,643.52x = 222,836.70 × 113,748.04
  4. Step 4: Simplify right side
    161,643.52x = 25,347,237,865.07
  5. Step 5: Solve for x
    x = 25,347,237,865.07/161,643.52
  6. Step 6: Final answer
    x = 156,809.49

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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.