Home / 189,995.41-262,184.09-103,952.53

Finding the Fourth Proportional to 189,995.41, 262,184.09 and 103,952.53

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Solution

The fourth proportional to 189,995.41, 262,184.09 and 103,952.53 is: 143,449.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,995.41 : 262,184.09 = 103,952.53 : x
  2. Step 2: Convert to fraction form
    189,995.41/262,184.09 = 103,952.53/x
  3. Step 3: Cross multiply
    189,995.41x = 262,184.09 × 103,952.53
  4. Step 4: Simplify right side
    189,995.41x = 27,254,698,961.49
  5. Step 5: Solve for x
    x = 27,254,698,961.49/189,995.41
  6. Step 6: Final answer
    x = 143,449.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.