Home / 106,855.26-160,281-31,975.62

Finding the Fourth Proportional to 106,855.26, 160,281 and 31,975.62

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Solution

The fourth proportional to 106,855.26, 160,281 and 31,975.62 is: 47,962.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,855.26 : 160,281 = 31,975.62 : x
  2. Step 2: Convert to fraction form
    106,855.26/160,281 = 31,975.62/x
  3. Step 3: Cross multiply
    106,855.26x = 160,281 × 31,975.62
  4. Step 4: Simplify right side
    106,855.26x = 5,125,084,349.22
  5. Step 5: Solve for x
    x = 5,125,084,349.22/106,855.26
  6. Step 6: Final answer
    x = 47,962.86

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1.5x scale

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.