Home / 136,903.64-187,554.69-131,786.46

Finding the Fourth Proportional to 136,903.64, 187,554.69 and 131,786.46

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Solution

The fourth proportional to 136,903.64, 187,554.69 and 131,786.46 is: 180,544.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,903.64 : 187,554.69 = 131,786.46 : x
  2. Step 2: Convert to fraction form
    136,903.64/187,554.69 = 131,786.46/x
  3. Step 3: Cross multiply
    136,903.64x = 187,554.69 × 131,786.46
  4. Step 4: Simplify right side
    136,903.64x = 24,717,168,651.50
  5. Step 5: Solve for x
    x = 24,717,168,651.50/136,903.64
  6. Step 6: Final answer
    x = 180,544.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.