Home / 130,450.39-180,040.57-73,093.59

Finding the Fourth Proportional to 130,450.39, 180,040.57 and 73,093.59

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Solution

The fourth proportional to 130,450.39, 180,040.57 and 73,093.59 is: 100,879.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,450.39 : 180,040.57 = 73,093.59 : x
  2. Step 2: Convert to fraction form
    130,450.39/180,040.57 = 73,093.59/x
  3. Step 3: Cross multiply
    130,450.39x = 180,040.57 × 73,093.59
  4. Step 4: Simplify right side
    130,450.39x = 13,159,811,424.21
  5. Step 5: Solve for x
    x = 13,159,811,424.21/130,450.39
  6. Step 6: Final answer
    x = 100,879.82

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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.