Home / 132,907.90-183,417.33-72,481.84

Finding the Fourth Proportional to 132,907.90, 183,417.33 and 72,481.84

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Solution

The fourth proportional to 132,907.90, 183,417.33 and 72,481.84 is: 100,027.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,907.90 : 183,417.33 = 72,481.84 : x
  2. Step 2: Convert to fraction form
    132,907.90/183,417.33 = 72,481.84/x
  3. Step 3: Cross multiply
    132,907.90x = 183,417.33 × 72,481.84
  4. Step 4: Simplify right side
    132,907.90x = 13,294,425,566.29
  5. Step 5: Solve for x
    x = 13,294,425,566.29/132,907.90
  6. Step 6: Final answer
    x = 100,027.35

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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.