Home / 117,136.67-175,705.01-28,390.18

Finding the Fourth Proportional to 117,136.67, 175,705.01 and 28,390.18

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Solution

The fourth proportional to 117,136.67, 175,705.01 and 28,390.18 is: 42,585.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,136.67 : 175,705.01 = 28,390.18 : x
  2. Step 2: Convert to fraction form
    117,136.67/175,705.01 = 28,390.18/x
  3. Step 3: Cross multiply
    117,136.67x = 175,705.01 × 28,390.18
  4. Step 4: Simplify right side
    117,136.67x = 4,988,296,635.65
  5. Step 5: Solve for x
    x = 4,988,296,635.65/117,136.67
  6. Step 6: Final answer
    x = 42,585.27

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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.