Home / 217,548.30-325,890.45-191,570.70

Finding the Fourth Proportional to 217,548.30, 325,890.45 and 191,570.70

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Solution

The fourth proportional to 217,548.30, 325,890.45 and 191,570.70 is: 286,975.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,548.30 : 325,890.45 = 191,570.70 : x
  2. Step 2: Convert to fraction form
    217,548.30/325,890.45 = 191,570.70/x
  3. Step 3: Cross multiply
    217,548.30x = 325,890.45 × 191,570.70
  4. Step 4: Simplify right side
    217,548.30x = 62,431,061,629.82
  5. Step 5: Solve for x
    x = 62,431,061,629.82/217,548.30
  6. Step 6: Final answer
    x = 286,975.64

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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.