Home / 290,892.18-401,427.24-163,568.10

Finding the Fourth Proportional to 290,892.18, 401,427.24 and 163,568.10

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Solution

The fourth proportional to 290,892.18, 401,427.24 and 163,568.10 is: 225,721.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,892.18 : 401,427.24 = 163,568.10 : x
  2. Step 2: Convert to fraction form
    290,892.18/401,427.24 = 163,568.10/x
  3. Step 3: Cross multiply
    290,892.18x = 401,427.24 × 163,568.10
  4. Step 4: Simplify right side
    290,892.18x = 65,660,690,935.04
  5. Step 5: Solve for x
    x = 65,660,690,935.04/290,892.18
  6. Step 6: Final answer
    x = 225,721.75

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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.