Home / 136,092.36-187,813.69-75,669.20

Finding the Fourth Proportional to 136,092.36, 187,813.69 and 75,669.20

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Solution

The fourth proportional to 136,092.36, 187,813.69 and 75,669.20 is: 104,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,092.36 : 187,813.69 = 75,669.20 : x
  2. Step 2: Convert to fraction form
    136,092.36/187,813.69 = 75,669.20/x
  3. Step 3: Cross multiply
    136,092.36x = 187,813.69 × 75,669.20
  4. Step 4: Simplify right side
    136,092.36x = 14,211,710,543.11
  5. Step 5: Solve for x
    x = 14,211,710,543.11/136,092.36
  6. Step 6: Final answer
    x = 104,426.95

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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.