Home / 353,371.20-530,062.08-100,657.92

Finding the Fourth Proportional to 353,371.20, 530,062.08 and 100,657.92

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Solution

The fourth proportional to 353,371.20, 530,062.08 and 100,657.92 is: 150,988.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,371.20 : 530,062.08 = 100,657.92 : x
  2. Step 2: Convert to fraction form
    353,371.20/530,062.08 = 100,657.92/x
  3. Step 3: Cross multiply
    353,371.20x = 530,062.08 × 100,657.92
  4. Step 4: Simplify right side
    353,371.20x = 53,354,946,443.67
  5. Step 5: Solve for x
    x = 53,354,946,443.67/353,371.20
  6. Step 6: Final answer
    x = 150,988.38

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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.