Home / 353,440.15-530,209.46-113,561.28

Finding the Fourth Proportional to 353,440.15, 530,209.46 and 113,561.28

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Solution

The fourth proportional to 353,440.15, 530,209.46 and 113,561.28 is: 170,357.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,440.15 : 530,209.46 = 113,561.28 : x
  2. Step 2: Convert to fraction form
    353,440.15/530,209.46 = 113,561.28/x
  3. Step 3: Cross multiply
    353,440.15x = 530,209.46 × 113,561.28
  4. Step 4: Simplify right side
    353,440.15x = 60,211,265,229.61
  5. Step 5: Solve for x
    x = 60,211,265,229.61/353,440.15
  6. Step 6: Final answer
    x = 170,357.74

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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.