Home / 112,206.26-154,792.49-66,858.81

Finding the Fourth Proportional to 112,206.26, 154,792.49 and 66,858.81

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Solution

The fourth proportional to 112,206.26, 154,792.49 and 66,858.81 is: 92,234.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,206.26 : 154,792.49 = 66,858.81 : x
  2. Step 2: Convert to fraction form
    112,206.26/154,792.49 = 66,858.81/x
  3. Step 3: Cross multiply
    112,206.26x = 154,792.49 × 66,858.81
  4. Step 4: Simplify right side
    112,206.26x = 10,349,241,344.04
  5. Step 5: Solve for x
    x = 10,349,241,344.04/112,206.26
  6. Step 6: Final answer
    x = 92,234.09

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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.