Home / 314,860.32-434,261.52-201,693.60

Finding the Fourth Proportional to 314,860.32, 434,261.52 and 201,693.60

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Solution

The fourth proportional to 314,860.32, 434,261.52 and 201,693.60 is: 278,179.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,860.32 : 434,261.52 = 201,693.60 : x
  2. Step 2: Convert to fraction form
    314,860.32/434,261.52 = 201,693.60/x
  3. Step 3: Cross multiply
    314,860.32x = 434,261.52 × 201,693.60
  4. Step 4: Simplify right side
    314,860.32x = 87,587,769,310.27
  5. Step 5: Solve for x
    x = 87,587,769,310.27/314,860.32
  6. Step 6: Final answer
    x = 278,179.76

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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.