Home / 259,596.13-389,567.93-91,117.24

Finding the Fourth Proportional to 259,596.13, 389,567.93 and 91,117.24

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Solution

The fourth proportional to 259,596.13, 389,567.93 and 91,117.24 is: 136,736.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,596.13 : 389,567.93 = 91,117.24 : x
  2. Step 2: Convert to fraction form
    259,596.13/389,567.93 = 91,117.24/x
  3. Step 3: Cross multiply
    259,596.13x = 389,567.93 × 91,117.24
  4. Step 4: Simplify right side
    259,596.13x = 35,496,354,574.11
  5. Step 5: Solve for x
    x = 35,496,354,574.11/259,596.13
  6. Step 6: Final answer
    x = 136,736.84

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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.