Home / 132,090.81-182,285.19-71,661.45

Finding the Fourth Proportional to 132,090.81, 182,285.19 and 71,661.45

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Solution

The fourth proportional to 132,090.81, 182,285.19 and 71,661.45 is: 98,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,090.81 : 182,285.19 = 71,661.45 : x
  2. Step 2: Convert to fraction form
    132,090.81/182,285.19 = 71,661.45/x
  3. Step 3: Cross multiply
    132,090.81x = 182,285.19 × 71,661.45
  4. Step 4: Simplify right side
    132,090.81x = 13,062,821,028.93
  5. Step 5: Solve for x
    x = 13,062,821,028.93/132,090.81
  6. Step 6: Final answer
    x = 98,892.73

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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.