Home / 209,250.60-288,766.98-123,213.33

Finding the Fourth Proportional to 209,250.60, 288,766.98 and 123,213.33

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Solution

The fourth proportional to 209,250.60, 288,766.98 and 123,213.33 is: 170,035.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,250.60 : 288,766.98 = 123,213.33 : x
  2. Step 2: Convert to fraction form
    209,250.60/288,766.98 = 123,213.33/x
  3. Step 3: Cross multiply
    209,250.60x = 288,766.98 × 123,213.33
  4. Step 4: Simplify right side
    209,250.60x = 35,579,941,199.84
  5. Step 5: Solve for x
    x = 35,579,941,199.84/209,250.60
  6. Step 6: Final answer
    x = 170,035.07

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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.