Home / 318,433.54-439,439.07-175,202.50

Finding the Fourth Proportional to 318,433.54, 439,439.07 and 175,202.50

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Solution

The fourth proportional to 318,433.54, 439,439.07 and 175,202.50 is: 241,779.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,433.54 : 439,439.07 = 175,202.50 : x
  2. Step 2: Convert to fraction form
    318,433.54/439,439.07 = 175,202.50/x
  3. Step 3: Cross multiply
    318,433.54x = 439,439.07 × 175,202.50
  4. Step 4: Simplify right side
    318,433.54x = 76,990,823,220.09
  5. Step 5: Solve for x
    x = 76,990,823,220.09/318,433.54
  6. Step 6: Final answer
    x = 241,779.88

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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.