Home / 134,472.16-185,576.64-74,045.44

Finding the Fourth Proportional to 134,472.16, 185,576.64 and 74,045.44

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Solution

The fourth proportional to 134,472.16, 185,576.64 and 74,045.44 is: 102,185.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,472.16 : 185,576.64 = 74,045.44 : x
  2. Step 2: Convert to fraction form
    134,472.16/185,576.64 = 74,045.44/x
  3. Step 3: Cross multiply
    134,472.16x = 185,576.64 × 74,045.44
  4. Step 4: Simplify right side
    134,472.16x = 13,741,103,962.52
  5. Step 5: Solve for x
    x = 13,741,103,962.52/134,472.16
  6. Step 6: Final answer
    x = 102,185.49

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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.