Home / 166,528.38-249,357.79-109,422.74

Finding the Fourth Proportional to 166,528.38, 249,357.79 and 109,422.74

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Solution

The fourth proportional to 166,528.38, 249,357.79 and 109,422.74 is: 163,848.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,528.38 : 249,357.79 = 109,422.74 : x
  2. Step 2: Convert to fraction form
    166,528.38/249,357.79 = 109,422.74/x
  3. Step 3: Cross multiply
    166,528.38x = 249,357.79 × 109,422.74
  4. Step 4: Simplify right side
    166,528.38x = 27,285,413,382.32
  5. Step 5: Solve for x
    x = 27,285,413,382.32/166,528.38
  6. Step 6: Final answer
    x = 163,848.42

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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.