Home / 134,904.72-186,334.09-101,064.54

Finding the Fourth Proportional to 134,904.72, 186,334.09 and 101,064.54

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Solution

The fourth proportional to 134,904.72, 186,334.09 and 101,064.54 is: 139,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,904.72 : 186,334.09 = 101,064.54 : x
  2. Step 2: Convert to fraction form
    134,904.72/186,334.09 = 101,064.54/x
  3. Step 3: Cross multiply
    134,904.72x = 186,334.09 × 101,064.54
  4. Step 4: Simplify right side
    134,904.72x = 18,831,769,092.17
  5. Step 5: Solve for x
    x = 18,831,769,092.17/134,904.72
  6. Step 6: Final answer
    x = 139,593.11

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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.