Home / 174,115.53-260,836.97-128,442.69

Finding the Fourth Proportional to 174,115.53, 260,836.97 and 128,442.69

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Solution

The fourth proportional to 174,115.53, 260,836.97 and 128,442.69 is: 192,415.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,115.53 : 260,836.97 = 128,442.69 : x
  2. Step 2: Convert to fraction form
    174,115.53/260,836.97 = 128,442.69/x
  3. Step 3: Cross multiply
    174,115.53x = 260,836.97 × 128,442.69
  4. Step 4: Simplify right side
    174,115.53x = 33,502,601,436.04
  5. Step 5: Solve for x
    x = 33,502,601,436.04/174,115.53
  6. Step 6: Final answer
    x = 192,415.93

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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.