Home / 129,127.57-193,706.10-34,361.67

Finding the Fourth Proportional to 129,127.57, 193,706.10 and 34,361.67

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Solution

The fourth proportional to 129,127.57, 193,706.10 and 34,361.67 is: 51,546.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,127.57 : 193,706.10 = 34,361.67 : x
  2. Step 2: Convert to fraction form
    129,127.57/193,706.10 = 34,361.67/x
  3. Step 3: Cross multiply
    129,127.57x = 193,706.10 × 34,361.67
  4. Step 4: Simplify right side
    129,127.57x = 6,656,065,085.19
  5. Step 5: Solve for x
    x = 6,656,065,085.19/129,127.57
  6. Step 6: Final answer
    x = 51,546.43

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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.