Home / 263,337.36-363,405.31-148,640.14

Finding the Fourth Proportional to 263,337.36, 363,405.31 and 148,640.14

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Solution

The fourth proportional to 263,337.36, 363,405.31 and 148,640.14 is: 205,123.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,337.36 : 363,405.31 = 148,640.14 : x
  2. Step 2: Convert to fraction form
    263,337.36/363,405.31 = 148,640.14/x
  3. Step 3: Cross multiply
    263,337.36x = 363,405.31 × 148,640.14
  4. Step 4: Simplify right side
    263,337.36x = 54,016,616,155.14
  5. Step 5: Solve for x
    x = 54,016,616,155.14/263,337.36
  6. Step 6: Final answer
    x = 205,123.25

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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.