Home / 149,027.77-223,640.13-70,164.55

Finding the Fourth Proportional to 149,027.77, 223,640.13 and 70,164.55

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Solution

The fourth proportional to 149,027.77, 223,640.13 and 70,164.55 is: 105,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,027.77 : 223,640.13 = 70,164.55 : x
  2. Step 2: Convert to fraction form
    149,027.77/223,640.13 = 70,164.55/x
  3. Step 3: Cross multiply
    149,027.77x = 223,640.13 × 70,164.55
  4. Step 4: Simplify right side
    149,027.77x = 15,691,607,965.19
  5. Step 5: Solve for x
    x = 15,691,607,965.19/149,027.77
  6. Step 6: Final answer
    x = 105,293.18

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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.