Home / 171,195.36-256,559.76-82,442.40

Finding the Fourth Proportional to 171,195.36, 256,559.76 and 82,442.40

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Solution

The fourth proportional to 171,195.36, 256,559.76 and 82,442.40 is: 123,551.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,195.36 : 256,559.76 = 82,442.40 : x
  2. Step 2: Convert to fraction form
    171,195.36/256,559.76 = 82,442.40/x
  3. Step 3: Cross multiply
    171,195.36x = 256,559.76 × 82,442.40
  4. Step 4: Simplify right side
    171,195.36x = 21,151,402,357.82
  5. Step 5: Solve for x
    x = 21,151,402,357.82/171,195.36
  6. Step 6: Final answer
    x = 123,551.26

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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.