Home / 190,272.82-262,576.48-105,395.35

Finding the Fourth Proportional to 190,272.82, 262,576.48 and 105,395.35

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Solution

The fourth proportional to 190,272.82, 262,576.48 and 105,395.35 is: 145,445.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,272.82 : 262,576.48 = 105,395.35 : x
  2. Step 2: Convert to fraction form
    190,272.82/262,576.48 = 105,395.35/x
  3. Step 3: Cross multiply
    190,272.82x = 262,576.48 × 105,395.35
  4. Step 4: Simplify right side
    190,272.82x = 27,674,338,698.49
  5. Step 5: Solve for x
    x = 27,674,338,698.49/190,272.82
  6. Step 6: Final answer
    x = 145,445.57

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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.