Home / 190,272.69-262,576.31-105,395.22

Finding the Fourth Proportional to 190,272.69, 262,576.31 and 105,395.22

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Solution

The fourth proportional to 190,272.69, 262,576.31 and 105,395.22 is: 145,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,272.69 : 262,576.31 = 105,395.22 : x
  2. Step 2: Convert to fraction form
    190,272.69/262,576.31 = 105,395.22/x
  3. Step 3: Cross multiply
    190,272.69x = 262,576.31 × 105,395.22
  4. Step 4: Simplify right side
    190,272.69x = 27,674,287,959.24
  5. Step 5: Solve for x
    x = 27,674,287,959.24/190,272.69
  6. Step 6: Final answer
    x = 145,445.40

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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.