Home / 351,081.07-526,636.65-137,895.18

Finding the Fourth Proportional to 351,081.07, 526,636.65 and 137,895.18

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Solution

The fourth proportional to 351,081.07, 526,636.65 and 137,895.18 is: 206,848.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,081.07 : 526,636.65 = 137,895.18 : x
  2. Step 2: Convert to fraction form
    351,081.07/526,636.65 = 137,895.18/x
  3. Step 3: Cross multiply
    351,081.07x = 526,636.65 × 137,895.18
  4. Step 4: Simplify right side
    351,081.07x = 72,620,654,188.57
  5. Step 5: Solve for x
    x = 72,620,654,188.57/351,081.07
  6. Step 6: Final answer
    x = 206,848.68

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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.