Home / 119,416.40-164,818.20-68,463.36

Finding the Fourth Proportional to 119,416.40, 164,818.20 and 68,463.36

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Solution

The fourth proportional to 119,416.40, 164,818.20 and 68,463.36 is: 94,492.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,416.40 : 164,818.20 = 68,463.36 : x
  2. Step 2: Convert to fraction form
    119,416.40/164,818.20 = 68,463.36/x
  3. Step 3: Cross multiply
    119,416.40x = 164,818.20 × 68,463.36
  4. Step 4: Simplify right side
    119,416.40x = 11,284,007,761.15
  5. Step 5: Solve for x
    x = 11,284,007,761.15/119,416.40
  6. Step 6: Final answer
    x = 94,492.95

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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.