Home / 261,308.36-391,835.68-153,267.14

Finding the Fourth Proportional to 261,308.36, 391,835.68 and 153,267.14

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Solution

The fourth proportional to 261,308.36, 391,835.68 and 153,267.14 is: 229,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,308.36 : 391,835.68 = 153,267.14 : x
  2. Step 2: Convert to fraction form
    261,308.36/391,835.68 = 153,267.14/x
  3. Step 3: Cross multiply
    261,308.36x = 391,835.68 × 153,267.14
  4. Step 4: Simplify right side
    261,308.36x = 60,055,534,619.98
  5. Step 5: Solve for x
    x = 60,055,534,619.98/261,308.36
  6. Step 6: Final answer
    x = 229,826.30

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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.