Home / 347,116.35-521,156.34-178,756.92

Finding the Fourth Proportional to 347,116.35, 521,156.34 and 178,756.92

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Solution

The fourth proportional to 347,116.35, 521,156.34 and 178,756.92 is: 268,383.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,116.35 : 521,156.34 = 178,756.92 : x
  2. Step 2: Convert to fraction form
    347,116.35/521,156.34 = 178,756.92/x
  3. Step 3: Cross multiply
    347,116.35x = 521,156.34 × 178,756.92
  4. Step 4: Simplify right side
    347,116.35x = 93,160,302,176.87
  5. Step 5: Solve for x
    x = 93,160,302,176.87/347,116.35
  6. Step 6: Final answer
    x = 268,383.50

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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.