Home / 149,290.62-223,380.93-89,349.04

Finding the Fourth Proportional to 149,290.62, 223,380.93 and 89,349.04

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Solution

The fourth proportional to 149,290.62, 223,380.93 and 89,349.04 is: 133,691.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,290.62 : 223,380.93 = 89,349.04 : x
  2. Step 2: Convert to fraction form
    149,290.62/223,380.93 = 89,349.04/x
  3. Step 3: Cross multiply
    149,290.62x = 223,380.93 × 89,349.04
  4. Step 4: Simplify right side
    149,290.62x = 19,958,871,649.81
  5. Step 5: Solve for x
    x = 19,958,871,649.81/149,290.62
  6. Step 6: Final answer
    x = 133,691.40

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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.