Home / 102,755.04-153,116.64-92,289.60

Finding the Fourth Proportional to 102,755.04, 153,116.64 and 92,289.60

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Solution

The fourth proportional to 102,755.04, 153,116.64 and 92,289.60 is: 137,521.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,755.04 : 153,116.64 = 92,289.60 : x
  2. Step 2: Convert to fraction form
    102,755.04/153,116.64 = 92,289.60/x
  3. Step 3: Cross multiply
    102,755.04x = 153,116.64 × 92,289.60
  4. Step 4: Simplify right side
    102,755.04x = 14,131,073,458.94
  5. Step 5: Solve for x
    x = 14,131,073,458.94/102,755.04
  6. Step 6: Final answer
    x = 137,521.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.