Home / 136,007.76-187,684.20-75,582.48

Finding the Fourth Proportional to 136,007.76, 187,684.20 and 75,582.48

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Solution

The fourth proportional to 136,007.76, 187,684.20 and 75,582.48 is: 104,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,007.76 : 187,684.20 = 75,582.48 : x
  2. Step 2: Convert to fraction form
    136,007.76/187,684.20 = 75,582.48/x
  3. Step 3: Cross multiply
    136,007.76x = 187,684.20 × 75,582.48
  4. Step 4: Simplify right side
    136,007.76x = 14,185,637,292.82
  5. Step 5: Solve for x
    x = 14,185,637,292.82/136,007.76
  6. Step 6: Final answer
    x = 104,300.21

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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.