Home / 105,945.12-146,199.60-58,195.62

Finding the Fourth Proportional to 105,945.12, 146,199.60 and 58,195.62

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Solution

The fourth proportional to 105,945.12, 146,199.60 and 58,195.62 is: 80,307.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,945.12 : 146,199.60 = 58,195.62 : x
  2. Step 2: Convert to fraction form
    105,945.12/146,199.60 = 58,195.62/x
  3. Step 3: Cross multiply
    105,945.12x = 146,199.60 × 58,195.62
  4. Step 4: Simplify right side
    105,945.12x = 8,508,176,365.75
  5. Step 5: Solve for x
    x = 8,508,176,365.75/105,945.12
  6. Step 6: Final answer
    x = 80,307.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.