Home / 141,378.50-195,024.47-89,600.87

Finding the Fourth Proportional to 141,378.50, 195,024.47 and 89,600.87

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Solution

The fourth proportional to 141,378.50, 195,024.47 and 89,600.87 is: 123,599.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,378.50 : 195,024.47 = 89,600.87 : x
  2. Step 2: Convert to fraction form
    141,378.50/195,024.47 = 89,600.87/x
  3. Step 3: Cross multiply
    141,378.50x = 195,024.47 × 89,600.87
  4. Step 4: Simplify right side
    141,378.50x = 17,474,362,222.85
  5. Step 5: Solve for x
    x = 17,474,362,222.85/141,378.50
  6. Step 6: Final answer
    x = 123,599.85

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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.