Home / 123,394.03-185,054.26-52,315.52

Finding the Fourth Proportional to 123,394.03, 185,054.26 and 52,315.52

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Solution

The fourth proportional to 123,394.03, 185,054.26 and 52,315.52 is: 78,457.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,394.03 : 185,054.26 = 52,315.52 : x
  2. Step 2: Convert to fraction form
    123,394.03/185,054.26 = 52,315.52/x
  3. Step 3: Cross multiply
    123,394.03x = 185,054.26 × 52,315.52
  4. Step 4: Simplify right side
    123,394.03x = 9,681,210,171.96
  5. Step 5: Solve for x
    x = 9,681,210,171.96/123,394.03
  6. Step 6: Final answer
    x = 78,457.69

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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.