Home / 351,221.90-526,509.92-126,527.39

Finding the Fourth Proportional to 351,221.90, 526,509.92 and 126,527.39

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Solution

The fourth proportional to 351,221.90, 526,509.92 and 126,527.39 is: 189,674.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,221.90 : 526,509.92 = 126,527.39 : x
  2. Step 2: Convert to fraction form
    351,221.90/526,509.92 = 126,527.39/x
  3. Step 3: Cross multiply
    351,221.90x = 526,509.92 × 126,527.39
  4. Step 4: Simplify right side
    351,221.90x = 66,617,922,721.52
  5. Step 5: Solve for x
    x = 66,617,922,721.52/351,221.90
  6. Step 6: Final answer
    x = 189,674.74

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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.