Home / 218,088.60-327,143.70-113,112.60

Finding the Fourth Proportional to 218,088.60, 327,143.70 and 113,112.60

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Solution

The fourth proportional to 218,088.60, 327,143.70 and 113,112.60 is: 169,674.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,088.60 : 327,143.70 = 113,112.60 : x
  2. Step 2: Convert to fraction form
    218,088.60/327,143.70 = 113,112.60/x
  3. Step 3: Cross multiply
    218,088.60x = 327,143.70 × 113,112.60
  4. Step 4: Simplify right side
    218,088.60x = 37,004,074,480.62
  5. Step 5: Solve for x
    x = 37,004,074,480.62/218,088.60
  6. Step 6: Final answer
    x = 169,674.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.