Home / 291,900.53-437,869.25-123,389.45

Finding the Fourth Proportional to 291,900.53, 437,869.25 and 123,389.45

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Solution

The fourth proportional to 291,900.53, 437,869.25 and 123,389.45 is: 185,091.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,900.53 : 437,869.25 = 123,389.45 : x
  2. Step 2: Convert to fraction form
    291,900.53/437,869.25 = 123,389.45/x
  3. Step 3: Cross multiply
    291,900.53x = 437,869.25 × 123,389.45
  4. Step 4: Simplify right side
    291,900.53x = 54,028,445,227.84
  5. Step 5: Solve for x
    x = 54,028,445,227.84/291,900.53
  6. Step 6: Final answer
    x = 185,091.97

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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.