Home / 136,950.12-205,424.64-43,463.16

Finding the Fourth Proportional to 136,950.12, 205,424.64 and 43,463.16

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Solution

The fourth proportional to 136,950.12, 205,424.64 and 43,463.16 is: 65,194.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,950.12 : 205,424.64 = 43,463.16 : x
  2. Step 2: Convert to fraction form
    136,950.12/205,424.64 = 43,463.16/x
  3. Step 3: Cross multiply
    136,950.12x = 205,424.64 × 43,463.16
  4. Step 4: Simplify right side
    136,950.12x = 8,928,403,996.26
  5. Step 5: Solve for x
    x = 8,928,403,996.26/136,950.12
  6. Step 6: Final answer
    x = 65,194.57

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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.