Home / 106,768.53-147,170.93-84,071.52

Finding the Fourth Proportional to 106,768.53, 147,170.93 and 84,071.52

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Solution

The fourth proportional to 106,768.53, 147,170.93 and 84,071.52 is: 115,885.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,768.53 : 147,170.93 = 84,071.52 : x
  2. Step 2: Convert to fraction form
    106,768.53/147,170.93 = 84,071.52/x
  3. Step 3: Cross multiply
    106,768.53x = 147,170.93 × 84,071.52
  4. Step 4: Simplify right side
    106,768.53x = 12,372,883,364.56
  5. Step 5: Solve for x
    x = 12,372,883,364.56/106,768.53
  6. Step 6: Final answer
    x = 115,885.11

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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.