Home / 134,297.55-185,346.39-76,955.45

Finding the Fourth Proportional to 134,297.55, 185,346.39 and 76,955.45

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Solution

The fourth proportional to 134,297.55, 185,346.39 and 76,955.45 is: 106,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,297.55 : 185,346.39 = 76,955.45 : x
  2. Step 2: Convert to fraction form
    134,297.55/185,346.39 = 76,955.45/x
  3. Step 3: Cross multiply
    134,297.55x = 185,346.39 × 76,955.45
  4. Step 4: Simplify right side
    134,297.55x = 14,263,413,921.59
  5. Step 5: Solve for x
    x = 14,263,413,921.59/134,297.55
  6. Step 6: Final answer
    x = 106,207.55

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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.