Home / 102,927.60-154,391.40-96,706.80

Finding the Fourth Proportional to 102,927.60, 154,391.40 and 96,706.80

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Solution

The fourth proportional to 102,927.60, 154,391.40 and 96,706.80 is: 145,060.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,927.60 : 154,391.40 = 96,706.80 : x
  2. Step 2: Convert to fraction form
    102,927.60/154,391.40 = 96,706.80/x
  3. Step 3: Cross multiply
    102,927.60x = 154,391.40 × 96,706.80
  4. Step 4: Simplify right side
    102,927.60x = 14,930,698,241.52
  5. Step 5: Solve for x
    x = 14,930,698,241.52/102,927.60
  6. Step 6: Final answer
    x = 145,060.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.