Home / 443,156.58-664,735.95-176,938.74

Finding the Fourth Proportional to 443,156.58, 664,735.95 and 176,938.74

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Solution

The fourth proportional to 443,156.58, 664,735.95 and 176,938.74 is: 265,408.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,156.58 : 664,735.95 = 176,938.74 : x
  2. Step 2: Convert to fraction form
    443,156.58/664,735.95 = 176,938.74/x
  3. Step 3: Cross multiply
    443,156.58x = 664,735.95 × 176,938.74
  4. Step 4: Simplify right side
    443,156.58x = 117,617,541,425.70
  5. Step 5: Solve for x
    x = 117,617,541,425.70/443,156.58
  6. Step 6: Final answer
    x = 265,408.54

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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.