Home / 187,785.44-281,695.62-61,426.50

Finding the Fourth Proportional to 187,785.44, 281,695.62 and 61,426.50

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Solution

The fourth proportional to 187,785.44, 281,695.62 and 61,426.50 is: 92,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,785.44 : 281,695.62 = 61,426.50 : x
  2. Step 2: Convert to fraction form
    187,785.44/281,695.62 = 61,426.50/x
  3. Step 3: Cross multiply
    187,785.44x = 281,695.62 × 61,426.50
  4. Step 4: Simplify right side
    187,785.44x = 17,303,574,286.32
  5. Step 5: Solve for x
    x = 17,303,574,286.32/187,785.44
  6. Step 6: Final answer
    x = 92,145.45

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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.