Home / 321,820.11-482,733.72-97,182.45

Finding the Fourth Proportional to 321,820.11, 482,733.72 and 97,182.45

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Solution

The fourth proportional to 321,820.11, 482,733.72 and 97,182.45 is: 145,774.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,820.11 : 482,733.72 = 97,182.45 : x
  2. Step 2: Convert to fraction form
    321,820.11/482,733.72 = 97,182.45/x
  3. Step 3: Cross multiply
    321,820.11x = 482,733.72 × 97,182.45
  4. Step 4: Simplify right side
    321,820.11x = 46,913,245,607.21
  5. Step 5: Solve for x
    x = 46,913,245,607.21/321,820.11
  6. Step 6: Final answer
    x = 145,774.75

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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.