Home / 151,523.30-209,025.28-115,651.03

Finding the Fourth Proportional to 151,523.30, 209,025.28 and 115,651.03

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Solution

The fourth proportional to 151,523.30, 209,025.28 and 115,651.03 is: 159,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,523.30 : 209,025.28 = 115,651.03 : x
  2. Step 2: Convert to fraction form
    151,523.30/209,025.28 = 115,651.03/x
  3. Step 3: Cross multiply
    151,523.30x = 209,025.28 × 115,651.03
  4. Step 4: Simplify right side
    151,523.30x = 24,173,988,928.04
  5. Step 5: Solve for x
    x = 24,173,988,928.04/151,523.30
  6. Step 6: Final answer
    x = 159,539.75

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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.