Home / 112,131.10-168,192.99-45,551.53

Finding the Fourth Proportional to 112,131.10, 168,192.99 and 45,551.53

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Solution

The fourth proportional to 112,131.10, 168,192.99 and 45,551.53 is: 68,325.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,131.10 : 168,192.99 = 45,551.53 : x
  2. Step 2: Convert to fraction form
    112,131.10/168,192.99 = 45,551.53/x
  3. Step 3: Cross multiply
    112,131.10x = 168,192.99 × 45,551.53
  4. Step 4: Simplify right side
    112,131.10x = 7,661,448,029.77
  5. Step 5: Solve for x
    x = 7,661,448,029.77/112,131.10
  6. Step 6: Final answer
    x = 68,325.81

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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.