Home / 132,288.28-182,586.70-81,344.84

Finding the Fourth Proportional to 132,288.28, 182,586.70 and 81,344.84

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Solution

The fourth proportional to 132,288.28, 182,586.70 and 81,344.84 is: 112,273.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,288.28 : 182,586.70 = 81,344.84 : x
  2. Step 2: Convert to fraction form
    132,288.28/182,586.70 = 81,344.84/x
  3. Step 3: Cross multiply
    132,288.28x = 182,586.70 × 81,344.84
  4. Step 4: Simplify right side
    132,288.28x = 14,852,485,897.63
  5. Step 5: Solve for x
    x = 14,852,485,897.63/132,288.28
  6. Step 6: Final answer
    x = 112,273.63

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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.