Home / 152,348.40-228,497.40-51,145.20

Finding the Fourth Proportional to 152,348.40, 228,497.40 and 51,145.20

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Solution

The fourth proportional to 152,348.40, 228,497.40 and 51,145.20 is: 76,709.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,348.40 : 228,497.40 = 51,145.20 : x
  2. Step 2: Convert to fraction form
    152,348.40/228,497.40 = 51,145.20/x
  3. Step 3: Cross multiply
    152,348.40x = 228,497.40 × 51,145.20
  4. Step 4: Simplify right side
    152,348.40x = 11,686,545,222.48
  5. Step 5: Solve for x
    x = 11,686,545,222.48/152,348.40
  6. Step 6: Final answer
    x = 76,709.34

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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.