Home / 211,734.14-318,868.83-192,838.46

Finding the Fourth Proportional to 211,734.14, 318,868.83 and 192,838.46

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Solution

The fourth proportional to 211,734.14, 318,868.83 and 192,838.46 is: 290,412.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,734.14 : 318,868.83 = 192,838.46 : x
  2. Step 2: Convert to fraction form
    211,734.14/318,868.83 = 192,838.46/x
  3. Step 3: Cross multiply
    211,734.14x = 318,868.83 × 192,838.46
  4. Step 4: Simplify right side
    211,734.14x = 61,490,173,155.01
  5. Step 5: Solve for x
    x = 61,490,173,155.01/211,734.14
  6. Step 6: Final answer
    x = 290,412.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.