Home / 190,400.40-262,976.76-126,624.24

Finding the Fourth Proportional to 190,400.40, 262,976.76 and 126,624.24

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Solution

The fourth proportional to 190,400.40, 262,976.76 and 126,624.24 is: 174,890.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,400.40 : 262,976.76 = 126,624.24 : x
  2. Step 2: Convert to fraction form
    190,400.40/262,976.76 = 126,624.24/x
  3. Step 3: Cross multiply
    190,400.40x = 262,976.76 × 126,624.24
  4. Step 4: Simplify right side
    190,400.40x = 33,299,232,372.66
  5. Step 5: Solve for x
    x = 33,299,232,372.66/190,400.40
  6. Step 6: Final answer
    x = 174,890.56

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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.