Home / 260,345.33-390,552.92-91,826.04

Finding the Fourth Proportional to 260,345.33, 390,552.92 and 91,826.04

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Solution

The fourth proportional to 260,345.33, 390,552.92 and 91,826.04 is: 137,751.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,345.33 : 390,552.92 = 91,826.04 : x
  2. Step 2: Convert to fraction form
    260,345.33/390,552.92 = 91,826.04/x
  3. Step 3: Cross multiply
    260,345.33x = 390,552.92 × 91,826.04
  4. Step 4: Simplify right side
    260,345.33x = 35,862,928,054.04
  5. Step 5: Solve for x
    x = 35,862,928,054.04/260,345.33
  6. Step 6: Final answer
    x = 137,751.38

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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.