Home / 218,240.04-327,440.02-91,912.08

Finding the Fourth Proportional to 218,240.04, 327,440.02 and 91,912.08

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Solution

The fourth proportional to 218,240.04, 327,440.02 and 91,912.08 is: 137,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,240.04 : 327,440.02 = 91,912.08 : x
  2. Step 2: Convert to fraction form
    218,240.04/327,440.02 = 91,912.08/x
  3. Step 3: Cross multiply
    218,240.04x = 327,440.02 × 91,912.08
  4. Step 4: Simplify right side
    218,240.04x = 30,095,693,313.44
  5. Step 5: Solve for x
    x = 30,095,693,313.44/218,240.04
  6. Step 6: Final answer
    x = 137,901.80

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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.