Home / 123,437.40-185,209.57-43,532.46

Finding the Fourth Proportional to 123,437.40, 185,209.57 and 43,532.46

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Solution

The fourth proportional to 123,437.40, 185,209.57 and 43,532.46 is: 65,317.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,437.40 : 185,209.57 = 43,532.46 : x
  2. Step 2: Convert to fraction form
    123,437.40/185,209.57 = 43,532.46/x
  3. Step 3: Cross multiply
    123,437.40x = 185,209.57 × 43,532.46
  4. Step 4: Simplify right side
    123,437.40x = 8,062,628,197.64
  5. Step 5: Solve for x
    x = 8,062,628,197.64/123,437.40
  6. Step 6: Final answer
    x = 65,317.55

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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.