Home / 105,912.27-146,161.53-57,516.30

Finding the Fourth Proportional to 105,912.27, 146,161.53 and 57,516.30

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Solution

The fourth proportional to 105,912.27, 146,161.53 and 57,516.30 is: 79,373.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,912.27 : 146,161.53 = 57,516.30 : x
  2. Step 2: Convert to fraction form
    105,912.27/146,161.53 = 57,516.30/x
  3. Step 3: Cross multiply
    105,912.27x = 146,161.53 × 57,516.30
  4. Step 4: Simplify right side
    105,912.27x = 8,406,670,407.94
  5. Step 5: Solve for x
    x = 8,406,670,407.94/105,912.27
  6. Step 6: Final answer
    x = 79,373.90

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1.5x scale

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.