Home / 190,852.78-263,375.49-105,970.18

Finding the Fourth Proportional to 190,852.78, 263,375.49 and 105,970.18

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Solution

The fourth proportional to 190,852.78, 263,375.49 and 105,970.18 is: 146,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,852.78 : 263,375.49 = 105,970.18 : x
  2. Step 2: Convert to fraction form
    190,852.78/263,375.49 = 105,970.18/x
  3. Step 3: Cross multiply
    190,852.78x = 263,375.49 × 105,970.18
  4. Step 4: Simplify right side
    190,852.78x = 27,909,948,082.89
  5. Step 5: Solve for x
    x = 27,909,948,082.89/190,852.78
  6. Step 6: Final answer
    x = 146,238.10

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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.