Home / 190,209.83-262,497.48-105,326.89

Finding the Fourth Proportional to 190,209.83, 262,497.48 and 105,326.89

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Solution

The fourth proportional to 190,209.83, 262,497.48 and 105,326.89 is: 145,355.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,209.83 : 262,497.48 = 105,326.89 : x
  2. Step 2: Convert to fraction form
    190,209.83/262,497.48 = 105,326.89/x
  3. Step 3: Cross multiply
    190,209.83x = 262,497.48 × 105,326.89
  4. Step 4: Simplify right side
    190,209.83x = 27,648,042,674.60
  5. Step 5: Solve for x
    x = 27,648,042,674.60/190,209.83
  6. Step 6: Final answer
    x = 145,355.49

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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.