Home / 151,992.45-209,767.38-126,453.76

Finding the Fourth Proportional to 151,992.45, 209,767.38 and 126,453.76

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Solution

The fourth proportional to 151,992.45, 209,767.38 and 126,453.76 is: 174,521.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,992.45 : 209,767.38 = 126,453.76 : x
  2. Step 2: Convert to fraction form
    151,992.45/209,767.38 = 126,453.76/x
  3. Step 3: Cross multiply
    151,992.45x = 209,767.38 × 126,453.76
  4. Step 4: Simplify right side
    151,992.45x = 26,525,873,926.35
  5. Step 5: Solve for x
    x = 26,525,873,926.35/151,992.45
  6. Step 6: Final answer
    x = 174,521.00

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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.