Home / 112,525.62-155,232.50-80,267.37

Finding the Fourth Proportional to 112,525.62, 155,232.50 and 80,267.37

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Solution

The fourth proportional to 112,525.62, 155,232.50 and 80,267.37 is: 110,731.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,525.62 : 155,232.50 = 80,267.37 : x
  2. Step 2: Convert to fraction form
    112,525.62/155,232.50 = 80,267.37/x
  3. Step 3: Cross multiply
    112,525.62x = 155,232.50 × 80,267.37
  4. Step 4: Simplify right side
    112,525.62x = 12,460,104,112.19
  5. Step 5: Solve for x
    x = 12,460,104,112.19/112,525.62
  6. Step 6: Final answer
    x = 110,731.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.