Home / 123,890.64-185,835.60-35,144.16

Finding the Fourth Proportional to 123,890.64, 185,835.60 and 35,144.16

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Solution

The fourth proportional to 123,890.64, 185,835.60 and 35,144.16 is: 52,716.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,890.64 : 185,835.60 = 35,144.16 : x
  2. Step 2: Convert to fraction form
    123,890.64/185,835.60 = 35,144.16/x
  3. Step 3: Cross multiply
    123,890.64x = 185,835.60 × 35,144.16
  4. Step 4: Simplify right side
    123,890.64x = 6,531,036,060.10
  5. Step 5: Solve for x
    x = 6,531,036,060.10/123,890.64
  6. Step 6: Final answer
    x = 52,716.14

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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.