Home / 621,251.23-931,773.02-172,017.50

Finding the Fourth Proportional to 621,251.23, 931,773.02 and 172,017.50

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Solution

The fourth proportional to 621,251.23, 931,773.02 and 172,017.50 is: 257,997.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,251.23 : 931,773.02 = 172,017.50 : x
  2. Step 2: Convert to fraction form
    621,251.23/931,773.02 = 172,017.50/x
  3. Step 3: Cross multiply
    621,251.23x = 931,773.02 × 172,017.50
  4. Step 4: Simplify right side
    621,251.23x = 160,281,265,467.85
  5. Step 5: Solve for x
    x = 160,281,265,467.85/621,251.23
  6. Step 6: Final answer
    x = 257,997.50

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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.