Home / 314,928.68-434,464.41-200,145.81

Finding the Fourth Proportional to 314,928.68, 434,464.41 and 200,145.81

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Solution

The fourth proportional to 314,928.68, 434,464.41 and 200,145.81 is: 276,114.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928.68 : 434,464.41 = 200,145.81 : x
  2. Step 2: Convert to fraction form
    314,928.68/434,464.41 = 200,145.81/x
  3. Step 3: Cross multiply
    314,928.68x = 434,464.41 × 200,145.81
  4. Step 4: Simplify right side
    314,928.68x = 86,956,231,287.66
  5. Step 5: Solve for x
    x = 86,956,231,287.66/314,928.68
  6. Step 6: Final answer
    x = 276,114.04

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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.