Home / 190,017.18-262,220.25-105,134.24

Finding the Fourth Proportional to 190,017.18, 262,220.25 and 105,134.24

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Solution

The fourth proportional to 190,017.18, 262,220.25 and 105,134.24 is: 145,083.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,017.18 : 262,220.25 = 105,134.24 : x
  2. Step 2: Convert to fraction form
    190,017.18/262,220.25 = 105,134.24/x
  3. Step 3: Cross multiply
    190,017.18x = 262,220.25 × 105,134.24
  4. Step 4: Simplify right side
    190,017.18x = 27,568,326,696.36
  5. Step 5: Solve for x
    x = 27,568,326,696.36/190,017.18
  6. Step 6: Final answer
    x = 145,083.34

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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.