Home / 318,319.28-439,132.92-190,773.44

Finding the Fourth Proportional to 318,319.28, 439,132.92 and 190,773.44

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Solution

The fourth proportional to 318,319.28, 439,132.92 and 190,773.44 is: 263,178.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,319.28 : 439,132.92 = 190,773.44 : x
  2. Step 2: Convert to fraction form
    318,319.28/439,132.92 = 190,773.44/x
  3. Step 3: Cross multiply
    318,319.28x = 439,132.92 × 190,773.44
  4. Step 4: Simplify right side
    318,319.28x = 83,774,897,765.64
  5. Step 5: Solve for x
    x = 83,774,897,765.64/318,319.28
  6. Step 6: Final answer
    x = 263,178.84

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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.