Home / 141,895.19-195,823.07-81,475.67

Finding the Fourth Proportional to 141,895.19, 195,823.07 and 81,475.67

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Solution

The fourth proportional to 141,895.19, 195,823.07 and 81,475.67 is: 112,440.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,895.19 : 195,823.07 = 81,475.67 : x
  2. Step 2: Convert to fraction form
    141,895.19/195,823.07 = 81,475.67/x
  3. Step 3: Cross multiply
    141,895.19x = 195,823.07 × 81,475.67
  4. Step 4: Simplify right side
    141,895.19x = 15,954,816,217.42
  5. Step 5: Solve for x
    x = 15,954,816,217.42/141,895.19
  6. Step 6: Final answer
    x = 112,440.85

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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.