Home / 190,691.48-263,153.40-105,808.34

Finding the Fourth Proportional to 190,691.48, 263,153.40 and 105,808.34

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Solution

The fourth proportional to 190,691.48, 263,153.40 and 105,808.34 is: 146,015.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,691.48 : 263,153.40 = 105,808.34 : x
  2. Step 2: Convert to fraction form
    190,691.48/263,153.40 = 105,808.34/x
  3. Step 3: Cross multiply
    190,691.48x = 263,153.40 × 105,808.34
  4. Step 4: Simplify right side
    190,691.48x = 27,843,824,419.36
  5. Step 5: Solve for x
    x = 27,843,824,419.36/190,691.48
  6. Step 6: Final answer
    x = 146,015.04

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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.