Home / 161,670.28-223,069.80-98,023.72

Finding the Fourth Proportional to 161,670.28, 223,069.80 and 98,023.72

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Solution

The fourth proportional to 161,670.28, 223,069.80 and 98,023.72 is: 135,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,670.28 : 223,069.80 = 98,023.72 : x
  2. Step 2: Convert to fraction form
    161,670.28/223,069.80 = 98,023.72/x
  3. Step 3: Cross multiply
    161,670.28x = 223,069.80 × 98,023.72
  4. Step 4: Simplify right side
    161,670.28x = 21,866,131,615.66
  5. Step 5: Solve for x
    x = 21,866,131,615.66/161,670.28
  6. Step 6: Final answer
    x = 135,251.40

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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.