Home / 291,056.38-436,752.25-122,563.58

Finding the Fourth Proportional to 291,056.38, 436,752.25 and 122,563.58

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Solution

The fourth proportional to 291,056.38, 436,752.25 and 122,563.58 is: 183,915.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,056.38 : 436,752.25 = 122,563.58 : x
  2. Step 2: Convert to fraction form
    291,056.38/436,752.25 = 122,563.58/x
  3. Step 3: Cross multiply
    291,056.38x = 436,752.25 × 122,563.58
  4. Step 4: Simplify right side
    291,056.38x = 53,529,919,333.06
  5. Step 5: Solve for x
    x = 53,529,919,333.06/291,056.38
  6. Step 6: Final answer
    x = 183,915.98

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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.