Home / 178,849.60-246,741.72-115,224.50

Finding the Fourth Proportional to 178,849.60, 246,741.72 and 115,224.50

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Solution

The fourth proportional to 178,849.60, 246,741.72 and 115,224.50 is: 158,964.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,849.60 : 246,741.72 = 115,224.50 : x
  2. Step 2: Convert to fraction form
    178,849.60/246,741.72 = 115,224.50/x
  3. Step 3: Cross multiply
    178,849.60x = 246,741.72 × 115,224.50
  4. Step 4: Simplify right side
    178,849.60x = 28,430,691,316.14
  5. Step 5: Solve for x
    x = 28,430,691,316.14/178,849.60
  6. Step 6: Final answer
    x = 158,964.24

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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.