Home / 115,081.42-172,649.28-36,195.64

Finding the Fourth Proportional to 115,081.42, 172,649.28 and 36,195.64

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Solution

The fourth proportional to 115,081.42, 172,649.28 and 36,195.64 is: 54,302.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,081.42 : 172,649.28 = 36,195.64 : x
  2. Step 2: Convert to fraction form
    115,081.42/172,649.28 = 36,195.64/x
  3. Step 3: Cross multiply
    115,081.42x = 172,649.28 × 36,195.64
  4. Step 4: Simplify right side
    115,081.42x = 6,249,151,185.14
  5. Step 5: Solve for x
    x = 6,249,151,185.14/115,081.42
  6. Step 6: Final answer
    x = 54,302.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.