Home / 149,146.51-223,671.16-49,288.09

Finding the Fourth Proportional to 149,146.51, 223,671.16 and 49,288.09

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Solution

The fourth proportional to 149,146.51, 223,671.16 and 49,288.09 is: 73,916.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,146.51 : 223,671.16 = 49,288.09 : x
  2. Step 2: Convert to fraction form
    149,146.51/223,671.16 = 49,288.09/x
  3. Step 3: Cross multiply
    149,146.51x = 223,671.16 × 49,288.09
  4. Step 4: Simplify right side
    149,146.51x = 11,024,324,264.48
  5. Step 5: Solve for x
    x = 11,024,324,264.48/149,146.51
  6. Step 6: Final answer
    x = 73,916.07

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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.