Home / 190,918.36-263,459.92-106,040.80

Finding the Fourth Proportional to 190,918.36, 263,459.92 and 106,040.80

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Solution

The fourth proportional to 190,918.36, 263,459.92 and 106,040.80 is: 146,332.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,918.36 : 263,459.92 = 106,040.80 : x
  2. Step 2: Convert to fraction form
    190,918.36/263,459.92 = 106,040.80/x
  3. Step 3: Cross multiply
    190,918.36x = 263,459.92 × 106,040.80
  4. Step 4: Simplify right side
    190,918.36x = 27,937,500,684.74
  5. Step 5: Solve for x
    x = 27,937,500,684.74/190,918.36
  6. Step 6: Final answer
    x = 146,332.18

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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.