Home / 132,457.52-182,785.81-75,100.70

Finding the Fourth Proportional to 132,457.52, 182,785.81 and 75,100.70

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Solution

The fourth proportional to 132,457.52, 182,785.81 and 75,100.70 is: 103,635.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,457.52 : 182,785.81 = 75,100.70 : x
  2. Step 2: Convert to fraction form
    132,457.52/182,785.81 = 75,100.70/x
  3. Step 3: Cross multiply
    132,457.52x = 182,785.81 × 75,100.70
  4. Step 4: Simplify right side
    132,457.52x = 13,727,340,991.63
  5. Step 5: Solve for x
    x = 13,727,340,991.63/132,457.52
  6. Step 6: Final answer
    x = 103,635.80

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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.