Home / 324,010.10-486,015.15-190,821.80

Finding the Fourth Proportional to 324,010.10, 486,015.15 and 190,821.80

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Solution

The fourth proportional to 324,010.10, 486,015.15 and 190,821.80 is: 286,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,010.10 : 486,015.15 = 190,821.80 : x
  2. Step 2: Convert to fraction form
    324,010.10/486,015.15 = 190,821.80/x
  3. Step 3: Cross multiply
    324,010.10x = 486,015.15 × 190,821.80
  4. Step 4: Simplify right side
    324,010.10x = 92,742,285,750.27
  5. Step 5: Solve for x
    x = 92,742,285,750.27/324,010.10
  6. Step 6: Final answer
    x = 286,232.70

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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.