Home / 135,535.45-187,040.02-75,107.10

Finding the Fourth Proportional to 135,535.45, 187,040.02 and 75,107.10

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Solution

The fourth proportional to 135,535.45, 187,040.02 and 75,107.10 is: 103,648.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,535.45 : 187,040.02 = 75,107.10 : x
  2. Step 2: Convert to fraction form
    135,535.45/187,040.02 = 75,107.10/x
  3. Step 3: Cross multiply
    135,535.45x = 187,040.02 × 75,107.10
  4. Step 4: Simplify right side
    135,535.45x = 14,048,033,486.14
  5. Step 5: Solve for x
    x = 14,048,033,486.14/135,535.45
  6. Step 6: Final answer
    x = 103,648.41

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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.