Home / 353,778.23-530,884.90-140,508.83

Finding the Fourth Proportional to 353,778.23, 530,884.90 and 140,508.83

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Solution

The fourth proportional to 353,778.23, 530,884.90 and 140,508.83 is: 210,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,778.23 : 530,884.90 = 140,508.83 : x
  2. Step 2: Convert to fraction form
    353,778.23/530,884.90 = 140,508.83/x
  3. Step 3: Cross multiply
    353,778.23x = 530,884.90 × 140,508.83
  4. Step 4: Simplify right side
    353,778.23x = 74,594,013,684.88
  5. Step 5: Solve for x
    x = 74,594,013,684.88/353,778.23
  6. Step 6: Final answer
    x = 210,849.65

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1.5x scale

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.