Home / 132,983.52-183,516.64-72,553.98

Finding the Fourth Proportional to 132,983.52, 183,516.64 and 72,553.98

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Solution

The fourth proportional to 132,983.52, 183,516.64 and 72,553.98 is: 100,124.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,983.52 : 183,516.64 = 72,553.98 : x
  2. Step 2: Convert to fraction form
    132,983.52/183,516.64 = 72,553.98/x
  3. Step 3: Cross multiply
    132,983.52x = 183,516.64 × 72,553.98
  4. Step 4: Simplify right side
    132,983.52x = 13,314,862,102.75
  5. Step 5: Solve for x
    x = 13,314,862,102.75/132,983.52
  6. Step 6: Final answer
    x = 100,124.15

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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.