Home / 132,315.34-182,611.11-75,725.50

Finding the Fourth Proportional to 132,315.34, 182,611.11 and 75,725.50

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Solution

The fourth proportional to 132,315.34, 182,611.11 and 75,725.50 is: 104,510.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,315.34 : 182,611.11 = 75,725.50 : x
  2. Step 2: Convert to fraction form
    132,315.34/182,611.11 = 75,725.50/x
  3. Step 3: Cross multiply
    132,315.34x = 182,611.11 × 75,725.50
  4. Step 4: Simplify right side
    132,315.34x = 13,828,317,610.31
  5. Step 5: Solve for x
    x = 13,828,317,610.31/132,315.34
  6. Step 6: Final answer
    x = 104,510.31

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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.