Home / 176,084.20-264,299.10-87,437.80

Finding the Fourth Proportional to 176,084.20, 264,299.10 and 87,437.80

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Solution

The fourth proportional to 176,084.20, 264,299.10 and 87,437.80 is: 131,242.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,084.20 : 264,299.10 = 87,437.80 : x
  2. Step 2: Convert to fraction form
    176,084.20/264,299.10 = 87,437.80/x
  3. Step 3: Cross multiply
    176,084.20x = 264,299.10 × 87,437.80
  4. Step 4: Simplify right side
    176,084.20x = 23,109,731,845.98
  5. Step 5: Solve for x
    x = 23,109,731,845.98/176,084.20
  6. Step 6: Final answer
    x = 131,242.51

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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.