Home / 132,576.55-182,953.08-72,148.52

Finding the Fourth Proportional to 132,576.55, 182,953.08 and 72,148.52

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Solution

The fourth proportional to 132,576.55, 182,953.08 and 72,148.52 is: 99,563.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,576.55 : 182,953.08 = 72,148.52 : x
  2. Step 2: Convert to fraction form
    132,576.55/182,953.08 = 72,148.52/x
  3. Step 3: Cross multiply
    132,576.55x = 182,953.08 × 72,148.52
  4. Step 4: Simplify right side
    132,576.55x = 13,199,794,408.82
  5. Step 5: Solve for x
    x = 13,199,794,408.82/132,576.55
  6. Step 6: Final answer
    x = 99,563.57

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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.