Home / 190,675.39-263,125.78-105,798.73

Finding the Fourth Proportional to 190,675.39, 263,125.78 and 105,798.73

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Solution

The fourth proportional to 190,675.39, 263,125.78 and 105,798.73 is: 145,998.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,675.39 : 263,125.78 = 105,798.73 : x
  2. Step 2: Convert to fraction form
    190,675.39/263,125.78 = 105,798.73/x
  3. Step 3: Cross multiply
    190,675.39x = 263,125.78 × 105,798.73
  4. Step 4: Simplify right side
    190,675.39x = 27,838,373,354.26
  5. Step 5: Solve for x
    x = 27,838,373,354.26/190,675.39
  6. Step 6: Final answer
    x = 145,998.77

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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.