Home / 136,011.97-187,690.39-75,582.33

Finding the Fourth Proportional to 136,011.97, 187,690.39 and 75,582.33

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Solution

The fourth proportional to 136,011.97, 187,690.39 and 75,582.33 is: 104,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,011.97 : 187,690.39 = 75,582.33 : x
  2. Step 2: Convert to fraction form
    136,011.97/187,690.39 = 75,582.33/x
  3. Step 3: Cross multiply
    136,011.97x = 187,690.39 × 75,582.33
  4. Step 4: Simplify right side
    136,011.97x = 14,186,076,994.81
  5. Step 5: Solve for x
    x = 14,186,076,994.81/136,011.97
  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.