Home / 263,155.18-363,158.03-148,439.28

Finding the Fourth Proportional to 263,155.18, 363,158.03 and 148,439.28

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Solution

The fourth proportional to 263,155.18, 363,158.03 and 148,439.28 is: 204,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,155.18 : 363,158.03 = 148,439.28 : x
  2. Step 2: Convert to fraction form
    263,155.18/363,158.03 = 148,439.28/x
  3. Step 3: Cross multiply
    263,155.18x = 363,158.03 × 148,439.28
  4. Step 4: Simplify right side
    263,155.18x = 53,906,918,232.36
  5. Step 5: Solve for x
    x = 53,906,918,232.36/263,155.18
  6. Step 6: Final answer
    x = 204,848.40

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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.