Home / 166,640.10-249,960.15-110,543.55

Finding the Fourth Proportional to 166,640.10, 249,960.15 and 110,543.55

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Solution

The fourth proportional to 166,640.10, 249,960.15 and 110,543.55 is: 165,815.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,640.10 : 249,960.15 = 110,543.55 : x
  2. Step 2: Convert to fraction form
    166,640.10/249,960.15 = 110,543.55/x
  3. Step 3: Cross multiply
    166,640.10x = 249,960.15 × 110,543.55
  4. Step 4: Simplify right side
    166,640.10x = 27,631,482,339.53
  5. Step 5: Solve for x
    x = 27,631,482,339.53/166,640.10
  6. Step 6: Final answer
    x = 165,815.33

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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.