Home / 190,625.82-263,095.16-105,770.22

Finding the Fourth Proportional to 190,625.82, 263,095.16 and 105,770.22

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Solution

The fourth proportional to 190,625.82, 263,095.16 and 105,770.22 is: 145,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,625.82 : 263,095.16 = 105,770.22 : x
  2. Step 2: Convert to fraction form
    190,625.82/263,095.16 = 105,770.22/x
  3. Step 3: Cross multiply
    190,625.82x = 263,095.16 × 105,770.22
  4. Step 4: Simplify right side
    190,625.82x = 27,827,632,954.14
  5. Step 5: Solve for x
    x = 27,827,632,954.14/190,625.82
  6. Step 6: Final answer
    x = 145,980.40

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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.