Home / 132,278.20-182,541.28-74,916.58

Finding the Fourth Proportional to 132,278.20, 182,541.28 and 74,916.58

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Solution

The fourth proportional to 132,278.20, 182,541.28 and 74,916.58 is: 103,383.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,278.20 : 182,541.28 = 74,916.58 : x
  2. Step 2: Convert to fraction form
    132,278.20/182,541.28 = 74,916.58/x
  3. Step 3: Cross multiply
    132,278.20x = 182,541.28 × 74,916.58
  4. Step 4: Simplify right side
    132,278.20x = 13,675,368,406.42
  5. Step 5: Solve for x
    x = 13,675,368,406.42/132,278.20
  6. Step 6: Final answer
    x = 103,383.39

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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.