Home / 132,725.12-183,154.32-72,295.44

Finding the Fourth Proportional to 132,725.12, 183,154.32 and 72,295.44

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Solution

The fourth proportional to 132,725.12, 183,154.32 and 72,295.44 is: 99,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,725.12 : 183,154.32 = 72,295.44 : x
  2. Step 2: Convert to fraction form
    132,725.12/183,154.32 = 72,295.44/x
  3. Step 3: Cross multiply
    132,725.12x = 183,154.32 × 72,295.44
  4. Step 4: Simplify right side
    132,725.12x = 13,241,222,152.30
  5. Step 5: Solve for x
    x = 13,241,222,152.30/132,725.12
  6. Step 6: Final answer
    x = 99,764.25

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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.