Home / 132,619.58-182,953.23-78,874.46

Finding the Fourth Proportional to 132,619.58, 182,953.23 and 78,874.46

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Solution

The fourth proportional to 132,619.58, 182,953.23 and 78,874.46 is: 108,810.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,619.58 : 182,953.23 = 78,874.46 : x
  2. Step 2: Convert to fraction form
    132,619.58/182,953.23 = 78,874.46/x
  3. Step 3: Cross multiply
    132,619.58x = 182,953.23 × 78,874.46
  4. Step 4: Simplify right side
    132,619.58x = 14,430,337,221.51
  5. Step 5: Solve for x
    x = 14,430,337,221.51/132,619.58
  6. Step 6: Final answer
    x = 108,810.01

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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.