Home / 235,276.72-352,885.92-139,271.06

Finding the Fourth Proportional to 235,276.72, 352,885.92 and 139,271.06

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Solution

The fourth proportional to 235,276.72, 352,885.92 and 139,271.06 is: 208,889.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,276.72 : 352,885.92 = 139,271.06 : x
  2. Step 2: Convert to fraction form
    235,276.72/352,885.92 = 139,271.06/x
  3. Step 3: Cross multiply
    235,276.72x = 352,885.92 × 139,271.06
  4. Step 4: Simplify right side
    235,276.72x = 49,146,796,497.42
  5. Step 5: Solve for x
    x = 49,146,796,497.42/235,276.72
  6. Step 6: Final answer
    x = 208,889.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.