Home / 152,659.68-228,896.40-68,404.32

Finding the Fourth Proportional to 152,659.68, 228,896.40 and 68,404.32

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Solution

The fourth proportional to 152,659.68, 228,896.40 and 68,404.32 is: 102,564.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,659.68 : 228,896.40 = 68,404.32 : x
  2. Step 2: Convert to fraction form
    152,659.68/228,896.40 = 68,404.32/x
  3. Step 3: Cross multiply
    152,659.68x = 228,896.40 × 68,404.32
  4. Step 4: Simplify right side
    152,659.68x = 15,657,502,592.45
  5. Step 5: Solve for x
    x = 15,657,502,592.45/152,659.68
  6. Step 6: Final answer
    x = 102,564.75

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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.