Home / 190,479.78-262,888.82-117,905.94

Finding the Fourth Proportional to 190,479.78, 262,888.82 and 117,905.94

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Solution

The fourth proportional to 190,479.78, 262,888.82 and 117,905.94 is: 162,726.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,479.78 : 262,888.82 = 117,905.94 : x
  2. Step 2: Convert to fraction form
    190,479.78/262,888.82 = 117,905.94/x
  3. Step 3: Cross multiply
    190,479.78x = 262,888.82 × 117,905.94
  4. Step 4: Simplify right side
    190,479.78x = 30,996,152,848.06
  5. Step 5: Solve for x
    x = 30,996,152,848.06/190,479.78
  6. Step 6: Final answer
    x = 162,726.74

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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.