Home / 132,828.73-183,302.02-72,399.18

Finding the Fourth Proportional to 132,828.73, 183,302.02 and 72,399.18

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Solution

The fourth proportional to 132,828.73, 183,302.02 and 72,399.18 is: 99,909.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,828.73 : 183,302.02 = 72,399.18 : x
  2. Step 2: Convert to fraction form
    132,828.73/183,302.02 = 72,399.18/x
  3. Step 3: Cross multiply
    132,828.73x = 183,302.02 × 72,399.18
  4. Step 4: Simplify right side
    132,828.73x = 13,270,915,940.34
  5. Step 5: Solve for x
    x = 13,270,915,940.34/132,828.73
  6. Step 6: Final answer
    x = 99,909.98

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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.