Home / 259,595.13-389,566.43-91,116.24

Finding the Fourth Proportional to 259,595.13, 389,566.43 and 91,116.24

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Solution

The fourth proportional to 259,595.13, 389,566.43 and 91,116.24 is: 136,735.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,595.13 : 389,566.43 = 91,116.24 : x
  2. Step 2: Convert to fraction form
    259,595.13/389,566.43 = 91,116.24/x
  3. Step 3: Cross multiply
    259,595.13x = 389,566.43 × 91,116.24
  4. Step 4: Simplify right side
    259,595.13x = 35,495,828,331.82
  5. Step 5: Solve for x
    x = 35,495,828,331.82/259,595.13
  6. Step 6: Final answer
    x = 136,735.34

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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.