Home / 190,909.14-263,515.05-134,485.62

Finding the Fourth Proportional to 190,909.14, 263,515.05 and 134,485.62

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Solution

The fourth proportional to 190,909.14, 263,515.05 and 134,485.62 is: 185,632.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,909.14 : 263,515.05 = 134,485.62 : x
  2. Step 2: Convert to fraction form
    190,909.14/263,515.05 = 134,485.62/x
  3. Step 3: Cross multiply
    190,909.14x = 263,515.05 × 134,485.62
  4. Step 4: Simplify right side
    190,909.14x = 35,438,984,878.58
  5. Step 5: Solve for x
    x = 35,438,984,878.58/190,909.14
  6. Step 6: Final answer
    x = 185,632.73

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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.