Home / 112,157.98-154,772.56-66,834.96

Finding the Fourth Proportional to 112,157.98, 154,772.56 and 66,834.96

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Solution

The fourth proportional to 112,157.98, 154,772.56 and 66,834.96 is: 92,228.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,157.98 : 154,772.56 = 66,834.96 : x
  2. Step 2: Convert to fraction form
    112,157.98/154,772.56 = 66,834.96/x
  3. Step 3: Cross multiply
    112,157.98x = 154,772.56 × 66,834.96
  4. Step 4: Simplify right side
    112,157.98x = 10,344,216,983.90
  5. Step 5: Solve for x
    x = 10,344,216,983.90/112,157.98
  6. Step 6: Final answer
    x = 92,228.99

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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.