Home / 212,786.88-293,632.56-117,294.40

Finding the Fourth Proportional to 212,786.88, 293,632.56 and 117,294.40

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Solution

The fourth proportional to 212,786.88, 293,632.56 and 117,294.40 is: 161,858.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,786.88 : 293,632.56 = 117,294.40 : x
  2. Step 2: Convert to fraction form
    212,786.88/293,632.56 = 117,294.40/x
  3. Step 3: Cross multiply
    212,786.88x = 293,632.56 × 117,294.40
  4. Step 4: Simplify right side
    212,786.88x = 34,441,454,945.66
  5. Step 5: Solve for x
    x = 34,441,454,945.66/212,786.88
  6. Step 6: Final answer
    x = 161,858.92

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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.