Home / 136,307.24-188,109.50-75,874.04

Finding the Fourth Proportional to 136,307.24, 188,109.50 and 75,874.04

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Solution

The fourth proportional to 136,307.24, 188,109.50 and 75,874.04 is: 104,709.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,307.24 : 188,109.50 = 75,874.04 : x
  2. Step 2: Convert to fraction form
    136,307.24/188,109.50 = 75,874.04/x
  3. Step 3: Cross multiply
    136,307.24x = 188,109.50 × 75,874.04
  4. Step 4: Simplify right side
    136,307.24x = 14,272,626,407.46
  5. Step 5: Solve for x
    x = 14,272,626,407.46/136,307.24
  6. Step 6: Final answer
    x = 104,709.24

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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.