Home / 130,341.09-179,874.50-73,751.25

Finding the Fourth Proportional to 130,341.09, 179,874.50 and 73,751.25

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Solution

The fourth proportional to 130,341.09, 179,874.50 and 73,751.25 is: 101,778.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,341.09 : 179,874.50 = 73,751.25 : x
  2. Step 2: Convert to fraction form
    130,341.09/179,874.50 = 73,751.25/x
  3. Step 3: Cross multiply
    130,341.09x = 179,874.50 × 73,751.25
  4. Step 4: Simplify right side
    130,341.09x = 13,265,968,849.37
  5. Step 5: Solve for x
    x = 13,265,968,849.37/130,341.09
  6. Step 6: Final answer
    x = 101,778.87

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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.