Home / 132,318.40-182,586.22-74,946.30

Finding the Fourth Proportional to 132,318.40, 182,586.22 and 74,946.30

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Solution

The fourth proportional to 132,318.40, 182,586.22 and 74,946.30 is: 103,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,318.40 : 182,586.22 = 74,946.30 : x
  2. Step 2: Convert to fraction form
    132,318.40/182,586.22 = 74,946.30/x
  3. Step 3: Cross multiply
    132,318.40x = 182,586.22 × 74,946.30
  4. Step 4: Simplify right side
    132,318.40x = 13,684,161,619.99
  5. Step 5: Solve for x
    x = 13,684,161,619.99/132,318.40
  6. Step 6: Final answer
    x = 103,418.43

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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.