Home / 132,313.60-182,579.60-74,941.48

Finding the Fourth Proportional to 132,313.60, 182,579.60 and 74,941.48

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Solution

The fourth proportional to 132,313.60, 182,579.60 and 74,941.48 is: 103,411.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,313.60 : 182,579.60 = 74,941.48 : x
  2. Step 2: Convert to fraction form
    132,313.60/182,579.60 = 74,941.48/x
  3. Step 3: Cross multiply
    132,313.60x = 182,579.60 × 74,941.48
  4. Step 4: Simplify right side
    132,313.60x = 13,682,785,441.81
  5. Step 5: Solve for x
    x = 13,682,785,441.81/132,313.60
  6. Step 6: Final answer
    x = 103,411.78

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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.