Home / 132,789.94-183,248.45-72,363.22

Finding the Fourth Proportional to 132,789.94, 183,248.45 and 72,363.22

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Solution

The fourth proportional to 132,789.94, 183,248.45 and 72,363.22 is: 99,860.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,789.94 : 183,248.45 = 72,363.22 : x
  2. Step 2: Convert to fraction form
    132,789.94/183,248.45 = 72,363.22/x
  3. Step 3: Cross multiply
    132,789.94x = 183,248.45 × 72,363.22
  4. Step 4: Simplify right side
    132,789.94x = 13,260,447,902.01
  5. Step 5: Solve for x
    x = 13,260,447,902.01/132,789.94
  6. Step 6: Final answer
    x = 99,860.34

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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.