Home / 136,214.13-187,869-88,482.87

Finding the Fourth Proportional to 136,214.13, 187,869 and 88,482.87

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Solution

The fourth proportional to 136,214.13, 187,869 and 88,482.87 is: 122,037.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,214.13 : 187,869 = 88,482.87 : x
  2. Step 2: Convert to fraction form
    136,214.13/187,869 = 88,482.87/x
  3. Step 3: Cross multiply
    136,214.13x = 187,869 × 88,482.87
  4. Step 4: Simplify right side
    136,214.13x = 16,623,188,304.03
  5. Step 5: Solve for x
    x = 16,623,188,304.03/136,214.13
  6. Step 6: Final answer
    x = 122,037.18

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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.