Home / 131,996.49-182,155.60-71,567.20

Finding the Fourth Proportional to 131,996.49, 182,155.60 and 71,567.20

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Solution

The fourth proportional to 131,996.49, 182,155.60 and 71,567.20 is: 98,762.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,996.49 : 182,155.60 = 71,567.20 : x
  2. Step 2: Convert to fraction form
    131,996.49/182,155.60 = 71,567.20/x
  3. Step 3: Cross multiply
    131,996.49x = 182,155.60 × 71,567.20
  4. Step 4: Simplify right side
    131,996.49x = 13,036,365,548.85
  5. Step 5: Solve for x
    x = 13,036,365,548.85/131,996.49
  6. Step 6: Final answer
    x = 98,762.97

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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.