Home / 170,090.13-255,192.85-75,307.24

Finding the Fourth Proportional to 170,090.13, 255,192.85 and 75,307.24

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Solution

The fourth proportional to 170,090.13, 255,192.85 and 75,307.24 is: 112,986.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,090.13 : 255,192.85 = 75,307.24 : x
  2. Step 2: Convert to fraction form
    170,090.13/255,192.85 = 75,307.24/x
  3. Step 3: Cross multiply
    170,090.13x = 255,192.85 × 75,307.24
  4. Step 4: Simplify right side
    170,090.13x = 19,217,869,201.23
  5. Step 5: Solve for x
    x = 19,217,869,201.23/170,090.13
  6. Step 6: Final answer
    x = 112,986.39

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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.