Home / 152,209.35-228,315.56-67,973.78

Finding the Fourth Proportional to 152,209.35, 228,315.56 and 67,973.78

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Solution

The fourth proportional to 152,209.35, 228,315.56 and 67,973.78 is: 101,961.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,209.35 : 228,315.56 = 67,973.78 : x
  2. Step 2: Convert to fraction form
    152,209.35/228,315.56 = 67,973.78/x
  3. Step 3: Cross multiply
    152,209.35x = 228,315.56 × 67,973.78
  4. Step 4: Simplify right side
    152,209.35x = 15,519,471,646.02
  5. Step 5: Solve for x
    x = 15,519,471,646.02/152,209.35
  6. Step 6: Final answer
    x = 101,961.36

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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.