Home / 190,207.73-262,486.48-105,324.79

Finding the Fourth Proportional to 190,207.73, 262,486.48 and 105,324.79

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Solution

The fourth proportional to 190,207.73, 262,486.48 and 105,324.79 is: 145,348.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,207.73 : 262,486.48 = 105,324.79 : x
  2. Step 2: Convert to fraction form
    190,207.73/262,486.48 = 105,324.79/x
  3. Step 3: Cross multiply
    190,207.73x = 262,486.48 × 105,324.79
  4. Step 4: Simplify right side
    190,207.73x = 27,646,333,383.84
  5. Step 5: Solve for x
    x = 27,646,333,383.84/190,207.73
  6. Step 6: Final answer
    x = 145,348.11

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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.