Home / 189,387.12-283,696.56-88,043.16

Finding the Fourth Proportional to 189,387.12, 283,696.56 and 88,043.16

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Solution

The fourth proportional to 189,387.12, 283,696.56 and 88,043.16 is: 131,886.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,387.12 : 283,696.56 = 88,043.16 : x
  2. Step 2: Convert to fraction form
    189,387.12/283,696.56 = 88,043.16/x
  3. Step 3: Cross multiply
    189,387.12x = 283,696.56 × 88,043.16
  4. Step 4: Simplify right side
    189,387.12x = 24,977,541,623.53
  5. Step 5: Solve for x
    x = 24,977,541,623.53/189,387.12
  6. Step 6: Final answer
    x = 131,886.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.