Home / 218,393.06-301,384.56-121,598.26

Finding the Fourth Proportional to 218,393.06, 301,384.56 and 121,598.26

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Solution

The fourth proportional to 218,393.06, 301,384.56 and 121,598.26 is: 167,806.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,393.06 : 301,384.56 = 121,598.26 : x
  2. Step 2: Convert to fraction form
    218,393.06/301,384.56 = 121,598.26/x
  3. Step 3: Cross multiply
    218,393.06x = 301,384.56 × 121,598.26
  4. Step 4: Simplify right side
    218,393.06x = 36,647,837,789.40
  5. Step 5: Solve for x
    x = 36,647,837,789.40/218,393.06
  6. Step 6: Final answer
    x = 167,806.79

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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.