Home / 132,957.09-183,481.97-72,528.01

Finding the Fourth Proportional to 132,957.09, 183,481.97 and 72,528.01

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Solution

The fourth proportional to 132,957.09, 183,481.97 and 72,528.01 is: 100,089.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,957.09 : 183,481.97 = 72,528.01 : x
  2. Step 2: Convert to fraction form
    132,957.09/183,481.97 = 72,528.01/x
  3. Step 3: Cross multiply
    132,957.09x = 183,481.97 × 72,528.01
  4. Step 4: Simplify right side
    132,957.09x = 13,307,581,333.63
  5. Step 5: Solve for x
    x = 13,307,581,333.63/132,957.09
  6. Step 6: Final answer
    x = 100,089.29

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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.