Home / 132,579.72-182,963.36-72,153.71

Finding the Fourth Proportional to 132,579.72, 182,963.36 and 72,153.71

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Solution

The fourth proportional to 132,579.72, 182,963.36 and 72,153.71 is: 99,573.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,579.72 : 182,963.36 = 72,153.71 : x
  2. Step 2: Convert to fraction form
    132,579.72/182,963.36 = 72,153.71/x
  3. Step 3: Cross multiply
    132,579.72x = 182,963.36 × 72,153.71
  4. Step 4: Simplify right side
    132,579.72x = 13,201,483,942.48
  5. Step 5: Solve for x
    x = 13,201,483,942.48/132,579.72
  6. Step 6: Final answer
    x = 99,573.93

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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.