Home / 190,665.64-263,107.14-105,777.64

Finding the Fourth Proportional to 190,665.64, 263,107.14 and 105,777.64

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Solution

The fourth proportional to 190,665.64, 263,107.14 and 105,777.64 is: 145,966.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,665.64 : 263,107.14 = 105,777.64 : x
  2. Step 2: Convert to fraction form
    190,665.64/263,107.14 = 105,777.64/x
  3. Step 3: Cross multiply
    190,665.64x = 263,107.14 × 105,777.64
  4. Step 4: Simplify right side
    190,665.64x = 27,830,852,336.35
  5. Step 5: Solve for x
    x = 27,830,852,336.35/190,665.64
  6. Step 6: Final answer
    x = 145,966.79

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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.