Home / 218,956.37-302,045.06-190,211.49

Finding the Fourth Proportional to 218,956.37, 302,045.06 and 190,211.49

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Solution

The fourth proportional to 218,956.37, 302,045.06 and 190,211.49 is: 262,392.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,956.37 : 302,045.06 = 190,211.49 : x
  2. Step 2: Convert to fraction form
    218,956.37/302,045.06 = 190,211.49/x
  3. Step 3: Cross multiply
    218,956.37x = 302,045.06 × 190,211.49
  4. Step 4: Simplify right side
    218,956.37x = 57,452,439,958.68
  5. Step 5: Solve for x
    x = 57,452,439,958.68/218,956.37
  6. Step 6: Final answer
    x = 262,392.19

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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.