Home / 314,789.58-434,396.98-171,546.55

Finding the Fourth Proportional to 314,789.58, 434,396.98 and 171,546.55

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Solution

The fourth proportional to 314,789.58, 434,396.98 and 171,546.55 is: 236,727.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,789.58 : 434,396.98 = 171,546.55 : x
  2. Step 2: Convert to fraction form
    314,789.58/434,396.98 = 171,546.55/x
  3. Step 3: Cross multiply
    314,789.58x = 434,396.98 × 171,546.55
  4. Step 4: Simplify right side
    314,789.58x = 74,519,303,249.42
  5. Step 5: Solve for x
    x = 74,519,303,249.42/314,789.58
  6. Step 6: Final answer
    x = 236,727.35

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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.