Home / 194,264.10-291,569.22-99,558.78

Finding the Fourth Proportional to 194,264.10, 291,569.22 and 99,558.78

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Solution

The fourth proportional to 194,264.10, 291,569.22 and 99,558.78 is: 149,426.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,264.10 : 291,569.22 = 99,558.78 : x
  2. Step 2: Convert to fraction form
    194,264.10/291,569.22 = 99,558.78/x
  3. Step 3: Cross multiply
    194,264.10x = 291,569.22 × 99,558.78
  4. Step 4: Simplify right side
    194,264.10x = 29,028,275,828.75
  5. Step 5: Solve for x
    x = 29,028,275,828.75/194,264.10
  6. Step 6: Final answer
    x = 149,426.87

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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.