Home / 304,816.33-420,649.90-168,852.36

Finding the Fourth Proportional to 304,816.33, 420,649.90 and 168,852.36

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Solution

The fourth proportional to 304,816.33, 420,649.90 and 168,852.36 is: 233,018.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,816.33 : 420,649.90 = 168,852.36 : x
  2. Step 2: Convert to fraction form
    304,816.33/420,649.90 = 168,852.36/x
  3. Step 3: Cross multiply
    304,816.33x = 420,649.90 × 168,852.36
  4. Step 4: Simplify right side
    304,816.33x = 71,027,728,348.76
  5. Step 5: Solve for x
    x = 71,027,728,348.76/304,816.33
  6. Step 6: Final answer
    x = 233,018.12

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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.