Home / 154,284.96-231,382.06-65,537.76

Finding the Fourth Proportional to 154,284.96, 231,382.06 and 65,537.76

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Solution

The fourth proportional to 154,284.96, 231,382.06 and 65,537.76 is: 98,287.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,284.96 : 231,382.06 = 65,537.76 : x
  2. Step 2: Convert to fraction form
    154,284.96/231,382.06 = 65,537.76/x
  3. Step 3: Cross multiply
    154,284.96x = 231,382.06 × 65,537.76
  4. Step 4: Simplify right side
    154,284.96x = 15,164,261,916.59
  5. Step 5: Solve for x
    x = 15,164,261,916.59/154,284.96
  6. Step 6: Final answer
    x = 98,287.36

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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.