Home / 300,174.12-414,237.06-164,210.76

Finding the Fourth Proportional to 300,174.12, 414,237.06 and 164,210.76

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Solution

The fourth proportional to 300,174.12, 414,237.06 and 164,210.76 is: 226,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,174.12 : 414,237.06 = 164,210.76 : x
  2. Step 2: Convert to fraction form
    300,174.12/414,237.06 = 164,210.76/x
  3. Step 3: Cross multiply
    300,174.12x = 414,237.06 × 164,210.76
  4. Step 4: Simplify right side
    300,174.12x = 68,022,182,442.77
  5. Step 5: Solve for x
    x = 68,022,182,442.77/300,174.12
  6. Step 6: Final answer
    x = 226,609.08

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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.