Home / 135,105.03-186,445.53-73,852.47

Finding the Fourth Proportional to 135,105.03, 186,445.53 and 73,852.47

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Solution

The fourth proportional to 135,105.03, 186,445.53 and 73,852.47 is: 101,916.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,105.03 : 186,445.53 = 73,852.47 : x
  2. Step 2: Convert to fraction form
    135,105.03/186,445.53 = 73,852.47/x
  3. Step 3: Cross multiply
    135,105.03x = 186,445.53 × 73,852.47
  4. Step 4: Simplify right side
    135,105.03x = 13,769,462,910.96
  5. Step 5: Solve for x
    x = 13,769,462,910.96/135,105.03
  6. Step 6: Final answer
    x = 101,916.73

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1.5x scale

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.