Home / 360,565.15-540,936.29-123,911.23

Finding the Fourth Proportional to 360,565.15, 540,936.29 and 123,911.23

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Solution

The fourth proportional to 360,565.15, 540,936.29 and 123,911.23 is: 185,897.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,565.15 : 540,936.29 = 123,911.23 : x
  2. Step 2: Convert to fraction form
    360,565.15/540,936.29 = 123,911.23/x
  3. Step 3: Cross multiply
    360,565.15x = 540,936.29 × 123,911.23
  4. Step 4: Simplify right side
    360,565.15x = 67,028,081,045.54
  5. Step 5: Solve for x
    x = 67,028,081,045.54/360,565.15
  6. Step 6: Final answer
    x = 185,897.28

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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.