Home / 132,849.88-183,327.42-72,419.20

Finding the Fourth Proportional to 132,849.88, 183,327.42 and 72,419.20

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Solution

The fourth proportional to 132,849.88, 183,327.42 and 72,419.20 is: 99,935.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,849.88 : 183,327.42 = 72,419.20 : x
  2. Step 2: Convert to fraction form
    132,849.88/183,327.42 = 72,419.20/x
  3. Step 3: Cross multiply
    132,849.88x = 183,327.42 × 72,419.20
  4. Step 4: Simplify right side
    132,849.88x = 13,276,425,094.46
  5. Step 5: Solve for x
    x = 13,276,425,094.46/132,849.88
  6. Step 6: Final answer
    x = 99,935.54

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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.