Home / 112,644.27-155,438.46-67,313.23

Finding the Fourth Proportional to 112,644.27, 155,438.46 and 67,313.23

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Solution

The fourth proportional to 112,644.27, 155,438.46 and 67,313.23 is: 92,885.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,644.27 : 155,438.46 = 67,313.23 : x
  2. Step 2: Convert to fraction form
    112,644.27/155,438.46 = 67,313.23/x
  3. Step 3: Cross multiply
    112,644.27x = 155,438.46 × 67,313.23
  4. Step 4: Simplify right side
    112,644.27x = 10,463,064,420.23
  5. Step 5: Solve for x
    x = 10,463,064,420.23/112,644.27
  6. Step 6: Final answer
    x = 92,885.90

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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.