Home / 151,289.40-226,868.49-51,422.78

Finding the Fourth Proportional to 151,289.40, 226,868.49 and 51,422.78

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Solution

The fourth proportional to 151,289.40, 226,868.49 and 51,422.78 is: 77,111.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,289.40 : 226,868.49 = 51,422.78 : x
  2. Step 2: Convert to fraction form
    151,289.40/226,868.49 = 51,422.78/x
  3. Step 3: Cross multiply
    151,289.40x = 226,868.49 × 51,422.78
  4. Step 4: Simplify right side
    151,289.40x = 11,666,209,017.37
  5. Step 5: Solve for x
    x = 11,666,209,017.37/151,289.40
  6. Step 6: Final answer
    x = 77,111.87

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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.