Home / 119,528.72-164,927.10-74,217.73

Finding the Fourth Proportional to 119,528.72, 164,927.10 and 74,217.73

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Solution

The fourth proportional to 119,528.72, 164,927.10 and 74,217.73 is: 102,406.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,528.72 : 164,927.10 = 74,217.73 : x
  2. Step 2: Convert to fraction form
    119,528.72/164,927.10 = 74,217.73/x
  3. Step 3: Cross multiply
    119,528.72x = 164,927.10 × 74,217.73
  4. Step 4: Simplify right side
    119,528.72x = 12,240,514,977.48
  5. Step 5: Solve for x
    x = 12,240,514,977.48/119,528.72
  6. Step 6: Final answer
    x = 102,406.48

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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.