Home / 291,258.20-401,935.44-163,933.84

Finding the Fourth Proportional to 291,258.20, 401,935.44 and 163,933.84

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Solution

The fourth proportional to 291,258.20, 401,935.44 and 163,933.84 is: 226,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,258.20 : 401,935.44 = 163,933.84 : x
  2. Step 2: Convert to fraction form
    291,258.20/401,935.44 = 163,933.84/x
  3. Step 3: Cross multiply
    291,258.20x = 401,935.44 × 163,933.84
  4. Step 4: Simplify right side
    291,258.20x = 65,890,820,111.29
  5. Step 5: Solve for x
    x = 65,890,820,111.29/291,258.20
  6. Step 6: Final answer
    x = 226,228.21

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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.