Home / 178,485.12-267,370.62-107,368.56

Finding the Fourth Proportional to 178,485.12, 267,370.62 and 107,368.56

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Solution

The fourth proportional to 178,485.12, 267,370.62 and 107,368.56 is: 160,838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,485.12 : 267,370.62 = 107,368.56 : x
  2. Step 2: Convert to fraction form
    178,485.12/267,370.62 = 107,368.56/x
  3. Step 3: Cross multiply
    178,485.12x = 267,370.62 × 107,368.56
  4. Step 4: Simplify right side
    178,485.12x = 28,707,198,455.71
  5. Step 5: Solve for x
    x = 28,707,198,455.71/178,485.12
  6. Step 6: Final answer
    x = 160,838.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.