Home / 135,754.41-187,341.92-75,326.24

Finding the Fourth Proportional to 135,754.41, 187,341.92 and 75,326.24

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Solution

The fourth proportional to 135,754.41, 187,341.92 and 75,326.24 is: 103,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,754.41 : 187,341.92 = 75,326.24 : x
  2. Step 2: Convert to fraction form
    135,754.41/187,341.92 = 75,326.24/x
  3. Step 3: Cross multiply
    135,754.41x = 187,341.92 × 75,326.24
  4. Step 4: Simplify right side
    135,754.41x = 14,111,762,427.98
  5. Step 5: Solve for x
    x = 14,111,762,427.98/135,754.41
  6. Step 6: Final answer
    x = 103,950.67

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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.