Home / 209,282.56-311,952.33-192,486.40

Finding the Fourth Proportional to 209,282.56, 311,952.33 and 192,486.40

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Solution

The fourth proportional to 209,282.56, 311,952.33 and 192,486.40 is: 286,916.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,282.56 : 311,952.33 = 192,486.40 : x
  2. Step 2: Convert to fraction form
    209,282.56/311,952.33 = 192,486.40/x
  3. Step 3: Cross multiply
    209,282.56x = 311,952.33 × 192,486.40
  4. Step 4: Simplify right side
    209,282.56x = 60,046,580,973.31
  5. Step 5: Solve for x
    x = 60,046,580,973.31/209,282.56
  6. Step 6: Final answer
    x = 286,916.32

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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.