Home / 190,065.69-262,185.36-122,006.25

Finding the Fourth Proportional to 190,065.69, 262,185.36 and 122,006.25

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Solution

The fourth proportional to 190,065.69, 262,185.36 and 122,006.25 is: 168,301.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,065.69 : 262,185.36 = 122,006.25 : x
  2. Step 2: Convert to fraction form
    190,065.69/262,185.36 = 122,006.25/x
  3. Step 3: Cross multiply
    190,065.69x = 262,185.36 × 122,006.25
  4. Step 4: Simplify right side
    190,065.69x = 31,988,252,578.50
  5. Step 5: Solve for x
    x = 31,988,252,578.50/190,065.69
  6. Step 6: Final answer
    x = 168,301.04

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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.