Home / 135,574.14-187,092.63-75,145.26

Finding the Fourth Proportional to 135,574.14, 187,092.63 and 75,145.26

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Solution

The fourth proportional to 135,574.14, 187,092.63 and 75,145.26 is: 103,700.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,574.14 : 187,092.63 = 75,145.26 : x
  2. Step 2: Convert to fraction form
    135,574.14/187,092.63 = 75,145.26/x
  3. Step 3: Cross multiply
    135,574.14x = 187,092.63 × 75,145.26
  4. Step 4: Simplify right side
    135,574.14x = 14,059,124,325.43
  5. Step 5: Solve for x
    x = 14,059,124,325.43/135,574.14
  6. Step 6: Final answer
    x = 103,700.63

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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.