Home / 112,213.49-154,840.71-68,627.94

Finding the Fourth Proportional to 112,213.49, 154,840.71 and 68,627.94

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Solution

The fourth proportional to 112,213.49, 154,840.71 and 68,627.94 is: 94,698.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,213.49 : 154,840.71 = 68,627.94 : x
  2. Step 2: Convert to fraction form
    112,213.49/154,840.71 = 68,627.94/x
  3. Step 3: Cross multiply
    112,213.49x = 154,840.71 × 68,627.94
  4. Step 4: Simplify right side
    112,213.49x = 10,626,398,955.44
  5. Step 5: Solve for x
    x = 10,626,398,955.44/112,213.49
  6. Step 6: Final answer
    x = 94,698.06

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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.