Home / 252,395.36-378,548.64-92,438.24

Finding the Fourth Proportional to 252,395.36, 378,548.64 and 92,438.24

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Solution

The fourth proportional to 252,395.36, 378,548.64 and 92,438.24 is: 138,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,395.36 : 378,548.64 = 92,438.24 : x
  2. Step 2: Convert to fraction form
    252,395.36/378,548.64 = 92,438.24/x
  3. Step 3: Cross multiply
    252,395.36x = 378,548.64 × 92,438.24
  4. Step 4: Simplify right side
    252,395.36x = 34,992,370,035.99
  5. Step 5: Solve for x
    x = 34,992,370,035.99/252,395.36
  6. Step 6: Final answer
    x = 138,641.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.