Home / 106,504.04-146,839.16-87,314.34

Finding the Fourth Proportional to 106,504.04, 146,839.16 and 87,314.34

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Solution

The fourth proportional to 106,504.04, 146,839.16 and 87,314.34 is: 120,381.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,504.04 : 146,839.16 = 87,314.34 : x
  2. Step 2: Convert to fraction form
    106,504.04/146,839.16 = 87,314.34/x
  3. Step 3: Cross multiply
    106,504.04x = 146,839.16 × 87,314.34
  4. Step 4: Simplify right side
    106,504.04x = 12,821,164,341.55
  5. Step 5: Solve for x
    x = 12,821,164,341.55/106,504.04
  6. Step 6: Final answer
    x = 120,381.95

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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.