Home / 190,675.69-263,131.74-104,636.14

Finding the Fourth Proportional to 190,675.69, 263,131.74 and 104,636.14

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Solution

The fourth proportional to 190,675.69, 263,131.74 and 104,636.14 is: 144,397.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,675.69 : 263,131.74 = 104,636.14 : x
  2. Step 2: Convert to fraction form
    190,675.69/263,131.74 = 104,636.14/x
  3. Step 3: Cross multiply
    190,675.69x = 263,131.74 × 104,636.14
  4. Step 4: Simplify right side
    190,675.69x = 27,533,088,927.25
  5. Step 5: Solve for x
    x = 27,533,088,927.25/190,675.69
  6. Step 6: Final answer
    x = 144,397.48

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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.