Home / 134,722.02-185,839.20-84,333.54

Finding the Fourth Proportional to 134,722.02, 185,839.20 and 84,333.54

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Solution

The fourth proportional to 134,722.02, 185,839.20 and 84,333.54 is: 116,331.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,722.02 : 185,839.20 = 84,333.54 : x
  2. Step 2: Convert to fraction form
    134,722.02/185,839.20 = 84,333.54/x
  3. Step 3: Cross multiply
    134,722.02x = 185,839.20 × 84,333.54
  4. Step 4: Simplify right side
    134,722.02x = 15,672,477,606.77
  5. Step 5: Solve for x
    x = 15,672,477,606.77/134,722.02
  6. Step 6: Final answer
    x = 116,331.97

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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.