Home / 116,130.21-160,106.29-75,773.91

Finding the Fourth Proportional to 116,130.21, 160,106.29 and 75,773.91

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Solution

The fourth proportional to 116,130.21, 160,106.29 and 75,773.91 is: 104,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,130.21 : 160,106.29 = 75,773.91 : x
  2. Step 2: Convert to fraction form
    116,130.21/160,106.29 = 75,773.91/x
  3. Step 3: Cross multiply
    116,130.21x = 160,106.29 × 75,773.91
  4. Step 4: Simplify right side
    116,130.21x = 12,131,879,608.89
  5. Step 5: Solve for x
    x = 12,131,879,608.89/116,130.21
  6. Step 6: Final answer
    x = 104,467.90

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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.