Home / 149,453.56-223,931.16-122,881.51

Finding the Fourth Proportional to 149,453.56, 223,931.16 and 122,881.51

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Solution

The fourth proportional to 149,453.56, 223,931.16 and 122,881.51 is: 184,117.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,453.56 : 223,931.16 = 122,881.51 : x
  2. Step 2: Convert to fraction form
    149,453.56/223,931.16 = 122,881.51/x
  3. Step 3: Cross multiply
    149,453.56x = 223,931.16 × 122,881.51
  4. Step 4: Simplify right side
    149,453.56x = 27,516,999,076.85
  5. Step 5: Solve for x
    x = 27,516,999,076.85/149,453.56
  6. Step 6: Final answer
    x = 184,117.39

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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.