Home / 113,190.66-156,138.04-70,675.38

Finding the Fourth Proportional to 113,190.66, 156,138.04 and 70,675.38

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Solution

The fourth proportional to 113,190.66, 156,138.04 and 70,675.38 is: 97,491.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,190.66 : 156,138.04 = 70,675.38 : x
  2. Step 2: Convert to fraction form
    113,190.66/156,138.04 = 70,675.38/x
  3. Step 3: Cross multiply
    113,190.66x = 156,138.04 × 70,675.38
  4. Step 4: Simplify right side
    113,190.66x = 11,035,115,309.46
  5. Step 5: Solve for x
    x = 11,035,115,309.46/113,190.66
  6. Step 6: Final answer
    x = 97,491.39

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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.