Home / 174,098.24-260,811.09-128,425.47

Finding the Fourth Proportional to 174,098.24, 260,811.09 and 128,425.47

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Solution

The fourth proportional to 174,098.24, 260,811.09 and 128,425.47 is: 192,390.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,098.24 : 260,811.09 = 128,425.47 : x
  2. Step 2: Convert to fraction form
    174,098.24/260,811.09 = 128,425.47/x
  3. Step 3: Cross multiply
    174,098.24x = 260,811.09 × 128,425.47
  4. Step 4: Simplify right side
    174,098.24x = 33,494,786,814.46
  5. Step 5: Solve for x
    x = 33,494,786,814.46/174,098.24
  6. Step 6: Final answer
    x = 192,390.16

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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.