Home / 259,592.13-389,561.93-91,113.24

Finding the Fourth Proportional to 259,592.13, 389,561.93 and 91,113.24

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Solution

The fourth proportional to 259,592.13, 389,561.93 and 91,113.24 is: 136,730.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,592.13 : 389,561.93 = 91,113.24 : x
  2. Step 2: Convert to fraction form
    259,592.13/389,561.93 = 91,113.24/x
  3. Step 3: Cross multiply
    259,592.13x = 389,561.93 × 91,113.24
  4. Step 4: Simplify right side
    259,592.13x = 35,494,249,167.39
  5. Step 5: Solve for x
    x = 35,494,249,167.39/259,592.13
  6. Step 6: Final answer
    x = 136,730.84

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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.