Home / 199,133.19-298,010.88-190,866.33

Finding the Fourth Proportional to 199,133.19, 298,010.88 and 190,866.33

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Solution

The fourth proportional to 199,133.19, 298,010.88 and 190,866.33 is: 285,639.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,133.19 : 298,010.88 = 190,866.33 : x
  2. Step 2: Convert to fraction form
    199,133.19/298,010.88 = 190,866.33/x
  3. Step 3: Cross multiply
    199,133.19x = 298,010.88 × 190,866.33
  4. Step 4: Simplify right side
    199,133.19x = 56,880,242,965.67
  5. Step 5: Solve for x
    x = 56,880,242,965.67/199,133.19
  6. Step 6: Final answer
    x = 285,639.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.