Home / 132,004.76-182,153.07-81,019.62

Finding the Fourth Proportional to 132,004.76, 182,153.07 and 81,019.62

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Solution

The fourth proportional to 132,004.76, 182,153.07 and 81,019.62 is: 111,798.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,004.76 : 182,153.07 = 81,019.62 : x
  2. Step 2: Convert to fraction form
    132,004.76/182,153.07 = 81,019.62/x
  3. Step 3: Cross multiply
    132,004.76x = 182,153.07 × 81,019.62
  4. Step 4: Simplify right side
    132,004.76x = 14,757,972,513.23
  5. Step 5: Solve for x
    x = 14,757,972,513.23/132,004.76
  6. Step 6: Final answer
    x = 111,798.79

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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.