Home / 621,182.21-931,794.15-171,865.45

Finding the Fourth Proportional to 621,182.21, 931,794.15 and 171,865.45

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Solution

The fourth proportional to 621,182.21, 931,794.15 and 171,865.45 is: 257,803.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,182.21 : 931,794.15 = 171,865.45 : x
  2. Step 2: Convert to fraction form
    621,182.21/931,794.15 = 171,865.45/x
  3. Step 3: Cross multiply
    621,182.21x = 931,794.15 × 171,865.45
  4. Step 4: Simplify right side
    621,182.21x = 160,143,218,567.63
  5. Step 5: Solve for x
    x = 160,143,218,567.63/621,182.21
  6. Step 6: Final answer
    x = 257,803.94

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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.