Home / 133,338.42-184,053.36-76,772.34

Finding the Fourth Proportional to 133,338.42, 184,053.36 and 76,772.34

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Solution

The fourth proportional to 133,338.42, 184,053.36 and 76,772.34 is: 105,972.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,338.42 : 184,053.36 = 76,772.34 : x
  2. Step 2: Convert to fraction form
    133,338.42/184,053.36 = 76,772.34/x
  3. Step 3: Cross multiply
    133,338.42x = 184,053.36 × 76,772.34
  4. Step 4: Simplify right side
    133,338.42x = 14,130,207,132.06
  5. Step 5: Solve for x
    x = 14,130,207,132.06/133,338.42
  6. Step 6: Final answer
    x = 105,972.51

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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.