Home / 197,085.51-294,548.25-143,889.52

Finding the Fourth Proportional to 197,085.51, 294,548.25 and 143,889.52

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Solution

The fourth proportional to 197,085.51, 294,548.25 and 143,889.52 is: 215,045.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,085.51 : 294,548.25 = 143,889.52 : x
  2. Step 2: Convert to fraction form
    197,085.51/294,548.25 = 143,889.52/x
  3. Step 3: Cross multiply
    197,085.51x = 294,548.25 × 143,889.52
  4. Step 4: Simplify right side
    197,085.51x = 42,382,406,309.34
  5. Step 5: Solve for x
    x = 42,382,406,309.34/197,085.51
  6. Step 6: Final answer
    x = 215,045.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.