Home / 209,260.61-288,922.23-140,453.24

Finding the Fourth Proportional to 209,260.61, 288,922.23 and 140,453.24

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Solution

The fourth proportional to 209,260.61, 288,922.23 and 140,453.24 is: 193,921.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,260.61 : 288,922.23 = 140,453.24 : x
  2. Step 2: Convert to fraction form
    209,260.61/288,922.23 = 140,453.24/x
  3. Step 3: Cross multiply
    209,260.61x = 288,922.23 × 140,453.24
  4. Step 4: Simplify right side
    209,260.61x = 40,580,063,311.53
  5. Step 5: Solve for x
    x = 40,580,063,311.53/209,260.61
  6. Step 6: Final answer
    x = 193,921.17

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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.