Home / 187,923.94-281,947.35-69,603.94

Finding the Fourth Proportional to 187,923.94, 281,947.35 and 69,603.94

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Solution

The fourth proportional to 187,923.94, 281,947.35 and 69,603.94 is: 104,428.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,923.94 : 281,947.35 = 69,603.94 : x
  2. Step 2: Convert to fraction form
    187,923.94/281,947.35 = 69,603.94/x
  3. Step 3: Cross multiply
    187,923.94x = 281,947.35 × 69,603.94
  4. Step 4: Simplify right side
    187,923.94x = 19,624,646,432.56
  5. Step 5: Solve for x
    x = 19,624,646,432.56/187,923.94
  6. Step 6: Final answer
    x = 104,428.67

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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.