Home / 124,136.57-186,205.26-30,642.32

Finding the Fourth Proportional to 124,136.57, 186,205.26 and 30,642.32

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Solution

The fourth proportional to 124,136.57, 186,205.26 and 30,642.32 is: 45,963.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,136.57 : 186,205.26 = 30,642.32 : x
  2. Step 2: Convert to fraction form
    124,136.57/186,205.26 = 30,642.32/x
  3. Step 3: Cross multiply
    124,136.57x = 186,205.26 × 30,642.32
  4. Step 4: Simplify right side
    124,136.57x = 5,705,761,162.60
  5. Step 5: Solve for x
    x = 5,705,761,162.60/124,136.57
  6. Step 6: Final answer
    x = 45,963.58

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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.