Home / 132,285.69-182,544.84-74,930.81

Finding the Fourth Proportional to 132,285.69, 182,544.84 and 74,930.81

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Solution

The fourth proportional to 132,285.69, 182,544.84 and 74,930.81 is: 103,399.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,285.69 : 182,544.84 = 74,930.81 : x
  2. Step 2: Convert to fraction form
    132,285.69/182,544.84 = 74,930.81/x
  3. Step 3: Cross multiply
    132,285.69x = 182,544.84 × 74,930.81
  4. Step 4: Simplify right side
    132,285.69x = 13,678,231,809.80
  5. Step 5: Solve for x
    x = 13,678,231,809.80/132,285.69
  6. Step 6: Final answer
    x = 103,399.18

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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.