Home / 212,681.94-293,514.17-117,188.61

Finding the Fourth Proportional to 212,681.94, 293,514.17 and 117,188.61

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Solution

The fourth proportional to 212,681.94, 293,514.17 and 117,188.61 is: 161,727.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,681.94 : 293,514.17 = 117,188.61 : x
  2. Step 2: Convert to fraction form
    212,681.94/293,514.17 = 117,188.61/x
  3. Step 3: Cross multiply
    212,681.94x = 293,514.17 × 117,188.61
  4. Step 4: Simplify right side
    212,681.94x = 34,396,517,597.60
  5. Step 5: Solve for x
    x = 34,396,517,597.60/212,681.94
  6. Step 6: Final answer
    x = 161,727.50

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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.