Home / 226,842.12-313,039.08-126,240.12

Finding the Fourth Proportional to 226,842.12, 313,039.08 and 126,240.12

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Solution

The fourth proportional to 226,842.12, 313,039.08 and 126,240.12 is: 174,209.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,842.12 : 313,039.08 = 126,240.12 : x
  2. Step 2: Convert to fraction form
    226,842.12/313,039.08 = 126,240.12/x
  3. Step 3: Cross multiply
    226,842.12x = 313,039.08 × 126,240.12
  4. Step 4: Simplify right side
    226,842.12x = 39,518,091,023.89
  5. Step 5: Solve for x
    x = 39,518,091,023.89/226,842.12
  6. Step 6: Final answer
    x = 174,209.67

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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.