Home / 112,215.24-154,877.06-66,896.14

Finding the Fourth Proportional to 112,215.24, 154,877.06 and 66,896.14

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Solution

The fourth proportional to 112,215.24, 154,877.06 and 66,896.14 is: 92,328.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,215.24 : 154,877.06 = 66,896.14 : x
  2. Step 2: Convert to fraction form
    112,215.24/154,877.06 = 66,896.14/x
  3. Step 3: Cross multiply
    112,215.24x = 154,877.06 × 66,896.14
  4. Step 4: Simplify right side
    112,215.24x = 10,360,677,488.55
  5. Step 5: Solve for x
    x = 10,360,677,488.55/112,215.24
  6. Step 6: Final answer
    x = 92,328.61

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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.