Home / 372,194.37-513,626.80-202,431.33

Finding the Fourth Proportional to 372,194.37, 513,626.80 and 202,431.33

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Solution

The fourth proportional to 372,194.37, 513,626.80 and 202,431.33 is: 279,354.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,194.37 : 513,626.80 = 202,431.33 : x
  2. Step 2: Convert to fraction form
    372,194.37/513,626.80 = 202,431.33/x
  3. Step 3: Cross multiply
    372,194.37x = 513,626.80 × 202,431.33
  4. Step 4: Simplify right side
    372,194.37x = 103,974,156,247.64
  5. Step 5: Solve for x
    x = 103,974,156,247.64/372,194.37
  6. Step 6: Final answer
    x = 279,354.46

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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.