Home / 491,042.72-736,595.21-154,096.66

Finding the Fourth Proportional to 491,042.72, 736,595.21 and 154,096.66

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Solution

The fourth proportional to 491,042.72, 736,595.21 and 154,096.66 is: 231,154.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,042.72 : 736,595.21 = 154,096.66 : x
  2. Step 2: Convert to fraction form
    491,042.72/736,595.21 = 154,096.66/x
  3. Step 3: Cross multiply
    491,042.72x = 736,595.21 × 154,096.66
  4. Step 4: Simplify right side
    491,042.72x = 113,506,860,176.75
  5. Step 5: Solve for x
    x = 113,506,860,176.75/491,042.72
  6. Step 6: Final answer
    x = 231,154.75

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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.