Home / 132,903.33-183,411.03-72,477.28

Finding the Fourth Proportional to 132,903.33, 183,411.03 and 72,477.28

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Solution

The fourth proportional to 132,903.33, 183,411.03 and 72,477.28 is: 100,021.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,903.33 : 183,411.03 = 72,477.28 : x
  2. Step 2: Convert to fraction form
    132,903.33/183,411.03 = 72,477.28/x
  3. Step 3: Cross multiply
    132,903.33x = 183,411.03 × 72,477.28
  4. Step 4: Simplify right side
    132,903.33x = 13,293,131,296.96
  5. Step 5: Solve for x
    x = 13,293,131,296.96/132,903.33
  6. Step 6: Final answer
    x = 100,021.06

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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.