Home / 166,472.68-249,702.40-91,741

Finding the Fourth Proportional to 166,472.68, 249,702.40 and 91,741

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Solution

The fourth proportional to 166,472.68, 249,702.40 and 91,741 is: 137,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,472.68 : 249,702.40 = 91,741 : x
  2. Step 2: Convert to fraction form
    166,472.68/249,702.40 = 91,741/x
  3. Step 3: Cross multiply
    166,472.68x = 249,702.40 × 91,741
  4. Step 4: Simplify right side
    166,472.68x = 22,907,947,878.40
  5. Step 5: Solve for x
    x = 22,907,947,878.40/166,472.68
  6. Step 6: Final answer
    x = 137,607.85

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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.