Home / 135,525.63-187,022.58-75,095.75

Finding the Fourth Proportional to 135,525.63, 187,022.58 and 75,095.75

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Solution

The fourth proportional to 135,525.63, 187,022.58 and 75,095.75 is: 103,630.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,525.63 : 187,022.58 = 75,095.75 : x
  2. Step 2: Convert to fraction form
    135,525.63/187,022.58 = 75,095.75/x
  3. Step 3: Cross multiply
    135,525.63x = 187,022.58 × 75,095.75
  4. Step 4: Simplify right side
    135,525.63x = 14,044,599,976.92
  5. Step 5: Solve for x
    x = 14,044,599,976.92/135,525.63
  6. Step 6: Final answer
    x = 103,630.58

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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.