Home / 132,129.28-182,338.53-75,541.84

Finding the Fourth Proportional to 132,129.28, 182,338.53 and 75,541.84

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Solution

The fourth proportional to 132,129.28, 182,338.53 and 75,541.84 is: 104,247.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,129.28 : 182,338.53 = 75,541.84 : x
  2. Step 2: Convert to fraction form
    132,129.28/182,338.53 = 75,541.84/x
  3. Step 3: Cross multiply
    132,129.28x = 182,338.53 × 75,541.84
  4. Step 4: Simplify right side
    132,129.28x = 13,774,188,059.10
  5. Step 5: Solve for x
    x = 13,774,188,059.10/132,129.28
  6. Step 6: Final answer
    x = 104,247.81

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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.