Home / 119,420.40-164,823.72-68,467.36

Finding the Fourth Proportional to 119,420.40, 164,823.72 and 68,467.36

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Solution

The fourth proportional to 119,420.40, 164,823.72 and 68,467.36 is: 94,498.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,420.40 : 164,823.72 = 68,467.36 : x
  2. Step 2: Convert to fraction form
    119,420.40/164,823.72 = 68,467.36/x
  3. Step 3: Cross multiply
    119,420.40x = 164,823.72 × 68,467.36
  4. Step 4: Simplify right side
    119,420.40x = 11,285,044,973.78
  5. Step 5: Solve for x
    x = 11,285,044,973.78/119,420.40
  6. Step 6: Final answer
    x = 94,498.47

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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.