Home / 132,784.56-183,262.23-87,455.34

Finding the Fourth Proportional to 132,784.56, 183,262.23 and 87,455.34

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Solution

The fourth proportional to 132,784.56, 183,262.23 and 87,455.34 is: 120,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,784.56 : 183,262.23 = 87,455.34 : x
  2. Step 2: Convert to fraction form
    132,784.56/183,262.23 = 87,455.34/x
  3. Step 3: Cross multiply
    132,784.56x = 183,262.23 × 87,455.34
  4. Step 4: Simplify right side
    132,784.56x = 16,027,260,633.81
  5. Step 5: Solve for x
    x = 16,027,260,633.81/132,784.56
  6. Step 6: Final answer
    x = 120,701.24

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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.