Home / 132,793.21-183,254.63-72,363.83

Finding the Fourth Proportional to 132,793.21, 183,254.63 and 72,363.83

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Solution

The fourth proportional to 132,793.21, 183,254.63 and 72,363.83 is: 99,862.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,793.21 : 183,254.63 = 72,363.83 : x
  2. Step 2: Convert to fraction form
    132,793.21/183,254.63 = 72,363.83/x
  3. Step 3: Cross multiply
    132,793.21x = 183,254.63 × 72,363.83
  4. Step 4: Simplify right side
    132,793.21x = 13,261,007,531.08
  5. Step 5: Solve for x
    x = 13,261,007,531.08/132,793.21
  6. Step 6: Final answer
    x = 99,862.09

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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.