Home / 174,286.60-261,527.10-74,429.80

Finding the Fourth Proportional to 174,286.60, 261,527.10 and 74,429.80

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Solution

The fourth proportional to 174,286.60, 261,527.10 and 74,429.80 is: 111,686.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,286.60 : 261,527.10 = 74,429.80 : x
  2. Step 2: Convert to fraction form
    174,286.60/261,527.10 = 74,429.80/x
  3. Step 3: Cross multiply
    174,286.60x = 261,527.10 × 74,429.80
  4. Step 4: Simplify right side
    174,286.60x = 19,465,409,747.58
  5. Step 5: Solve for x
    x = 19,465,409,747.58/174,286.60
  6. Step 6: Final answer
    x = 111,686.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.