Home / 190,696.48-263,160.30-105,813.34

Finding the Fourth Proportional to 190,696.48, 263,160.30 and 105,813.34

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Solution

The fourth proportional to 190,696.48, 263,160.30 and 105,813.34 is: 146,021.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,696.48 : 263,160.30 = 105,813.34 : x
  2. Step 2: Convert to fraction form
    190,696.48/263,160.30 = 105,813.34/x
  3. Step 3: Cross multiply
    190,696.48x = 263,160.30 × 105,813.34
  4. Step 4: Simplify right side
    190,696.48x = 27,845,870,298.40
  5. Step 5: Solve for x
    x = 27,845,870,298.40/190,696.48
  6. Step 6: Final answer
    x = 146,021.94

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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.