Home / 438,681.22-658,065.20-182,461.21

Finding the Fourth Proportional to 438,681.22, 658,065.20 and 182,461.21

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Solution

The fourth proportional to 438,681.22, 658,065.20 and 182,461.21 is: 273,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,681.22 : 658,065.20 = 182,461.21 : x
  2. Step 2: Convert to fraction form
    438,681.22/658,065.20 = 182,461.21/x
  3. Step 3: Cross multiply
    438,681.22x = 658,065.20 × 182,461.21
  4. Step 4: Simplify right side
    438,681.22x = 120,071,370,093.42
  5. Step 5: Solve for x
    x = 120,071,370,093.42/438,681.22
  6. Step 6: Final answer
    x = 273,709.85

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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.