Home / 135,923.52-187,574.43-75,499.77

Finding the Fourth Proportional to 135,923.52, 187,574.43 and 75,499.77

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Solution

The fourth proportional to 135,923.52, 187,574.43 and 75,499.77 is: 104,189.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,923.52 : 187,574.43 = 75,499.77 : x
  2. Step 2: Convert to fraction form
    135,923.52/187,574.43 = 75,499.77/x
  3. Step 3: Cross multiply
    135,923.52x = 187,574.43 × 75,499.77
  4. Step 4: Simplify right side
    135,923.52x = 14,161,826,322.88
  5. Step 5: Solve for x
    x = 14,161,826,322.88/135,923.52
  6. Step 6: Final answer
    x = 104,189.67

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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.