Home / 133,191.78-199,766.08-48,931.22

Finding the Fourth Proportional to 133,191.78, 199,766.08 and 48,931.22

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Solution

The fourth proportional to 133,191.78, 199,766.08 and 48,931.22 is: 73,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,191.78 : 199,766.08 = 48,931.22 : x
  2. Step 2: Convert to fraction form
    133,191.78/199,766.08 = 48,931.22/x
  3. Step 3: Cross multiply
    133,191.78x = 199,766.08 × 48,931.22
  4. Step 4: Simplify right side
    133,191.78x = 9,774,798,569.60
  5. Step 5: Solve for x
    x = 9,774,798,569.60/133,191.78
  6. Step 6: Final answer
    x = 73,388.90

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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.