Home / 190,262.39-285,368.93-71,918.33

Finding the Fourth Proportional to 190,262.39, 285,368.93 and 71,918.33

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Solution

The fourth proportional to 190,262.39, 285,368.93 and 71,918.33 is: 107,868.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,262.39 : 285,368.93 = 71,918.33 : x
  2. Step 2: Convert to fraction form
    190,262.39/285,368.93 = 71,918.33/x
  3. Step 3: Cross multiply
    190,262.39x = 285,368.93 × 71,918.33
  4. Step 4: Simplify right side
    190,262.39x = 20,523,256,519.90
  5. Step 5: Solve for x
    x = 20,523,256,519.90/190,262.39
  6. Step 6: Final answer
    x = 107,868.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.