Home / 218,335.28-301,286.46-122,823.56

Finding the Fourth Proportional to 218,335.28, 301,286.46 and 122,823.56

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Solution

The fourth proportional to 218,335.28, 301,286.46 and 122,823.56 is: 169,487.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,335.28 : 301,286.46 = 122,823.56 : x
  2. Step 2: Convert to fraction form
    218,335.28/301,286.46 = 122,823.56/x
  3. Step 3: Cross multiply
    218,335.28x = 301,286.46 × 122,823.56
  4. Step 4: Simplify right side
    218,335.28x = 37,005,075,597.00
  5. Step 5: Solve for x
    x = 37,005,075,597.00/218,335.28
  6. Step 6: Final answer
    x = 169,487.38

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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.