Home / 354,271.32-531,479.88-196,167.60

Finding the Fourth Proportional to 354,271.32, 531,479.88 and 196,167.60

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Solution

The fourth proportional to 354,271.32, 531,479.88 and 196,167.60 is: 294,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,271.32 : 531,479.88 = 196,167.60 : x
  2. Step 2: Convert to fraction form
    354,271.32/531,479.88 = 196,167.60/x
  3. Step 3: Cross multiply
    354,271.32x = 531,479.88 × 196,167.60
  4. Step 4: Simplify right side
    354,271.32x = 104,259,132,507.89
  5. Step 5: Solve for x
    x = 104,259,132,507.89/354,271.32
  6. Step 6: Final answer
    x = 294,291.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.