Home / 313,243.24-432,200.79-190,734.18

Finding the Fourth Proportional to 313,243.24, 432,200.79 and 190,734.18

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Solution

The fourth proportional to 313,243.24, 432,200.79 and 190,734.18 is: 263,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,243.24 : 432,200.79 = 190,734.18 : x
  2. Step 2: Convert to fraction form
    313,243.24/432,200.79 = 190,734.18/x
  3. Step 3: Cross multiply
    313,243.24x = 432,200.79 × 190,734.18
  4. Step 4: Simplify right side
    313,243.24x = 82,435,463,276.00
  5. Step 5: Solve for x
    x = 82,435,463,276.00/313,243.24
  6. Step 6: Final answer
    x = 263,167.57

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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.