Home / 209,256.54-288,837.27-142,227.42

Finding the Fourth Proportional to 209,256.54, 288,837.27 and 142,227.42

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Solution

The fourth proportional to 209,256.54, 288,837.27 and 142,227.42 is: 196,316.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,256.54 : 288,837.27 = 142,227.42 : x
  2. Step 2: Convert to fraction form
    209,256.54/288,837.27 = 142,227.42/x
  3. Step 3: Cross multiply
    209,256.54x = 288,837.27 × 142,227.42
  4. Step 4: Simplify right side
    209,256.54x = 41,080,579,711.94
  5. Step 5: Solve for x
    x = 41,080,579,711.94/209,256.54
  6. Step 6: Final answer
    x = 196,316.83

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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.