Home / 134,379.09-185,443.20-73,953.90

Finding the Fourth Proportional to 134,379.09, 185,443.20 and 73,953.90

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Solution

The fourth proportional to 134,379.09, 185,443.20 and 73,953.90 is: 102,056.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,379.09 : 185,443.20 = 73,953.90 : x
  2. Step 2: Convert to fraction form
    134,379.09/185,443.20 = 73,953.90/x
  3. Step 3: Cross multiply
    134,379.09x = 185,443.20 × 73,953.90
  4. Step 4: Simplify right side
    134,379.09x = 13,714,247,868.48
  5. Step 5: Solve for x
    x = 13,714,247,868.48/134,379.09
  6. Step 6: Final answer
    x = 102,056.41

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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.