Home / 104,696.75-144,416.72-91,300.16

Finding the Fourth Proportional to 104,696.75, 144,416.72 and 91,300.16

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Solution

The fourth proportional to 104,696.75, 144,416.72 and 91,300.16 is: 125,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,696.75 : 144,416.72 = 91,300.16 : x
  2. Step 2: Convert to fraction form
    104,696.75/144,416.72 = 91,300.16/x
  3. Step 3: Cross multiply
    104,696.75x = 144,416.72 × 91,300.16
  4. Step 4: Simplify right side
    104,696.75x = 13,185,270,231.97
  5. Step 5: Solve for x
    x = 13,185,270,231.97/104,696.75
  6. Step 6: Final answer
    x = 125,937.72

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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.