Home / 132,085.12-182,258.13-75,485.56

Finding the Fourth Proportional to 132,085.12, 182,258.13 and 75,485.56

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Solution

The fourth proportional to 132,085.12, 182,258.13 and 75,485.56 is: 104,159.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,085.12 : 182,258.13 = 75,485.56 : x
  2. Step 2: Convert to fraction form
    132,085.12/182,258.13 = 75,485.56/x
  3. Step 3: Cross multiply
    132,085.12x = 182,258.13 × 75,485.56
  4. Step 4: Simplify right side
    132,085.12x = 13,757,857,007.60
  5. Step 5: Solve for x
    x = 13,757,857,007.60/132,085.12
  6. Step 6: Final answer
    x = 104,159.02

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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.