Home / 134,064.28-184,940.24-85,615.28

Finding the Fourth Proportional to 134,064.28, 184,940.24 and 85,615.28

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Solution

The fourth proportional to 134,064.28, 184,940.24 and 85,615.28 is: 118,105.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,064.28 : 184,940.24 = 85,615.28 : x
  2. Step 2: Convert to fraction form
    134,064.28/184,940.24 = 85,615.28/x
  3. Step 3: Cross multiply
    134,064.28x = 184,940.24 × 85,615.28
  4. Step 4: Simplify right side
    134,064.28x = 15,833,710,430.87
  5. Step 5: Solve for x
    x = 15,833,710,430.87/134,064.28
  6. Step 6: Final answer
    x = 118,105.36

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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.