Home / 226,987.12-313,239.18-126,385.12

Finding the Fourth Proportional to 226,987.12, 313,239.18 and 126,385.12

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Solution

The fourth proportional to 226,987.12, 313,239.18 and 126,385.12 is: 174,409.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,987.12 : 313,239.18 = 126,385.12 : x
  2. Step 2: Convert to fraction form
    226,987.12/313,239.18 = 126,385.12/x
  3. Step 3: Cross multiply
    226,987.12x = 313,239.18 × 126,385.12
  4. Step 4: Simplify right side
    226,987.12x = 39,588,771,353.00
  5. Step 5: Solve for x
    x = 39,588,771,353.00/226,987.12
  6. Step 6: Final answer
    x = 174,409.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.