Home / 173,078.76-259,354.62-128,496.36

Finding the Fourth Proportional to 173,078.76, 259,354.62 and 128,496.36

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Solution

The fourth proportional to 173,078.76, 259,354.62 and 128,496.36 is: 192,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,078.76 : 259,354.62 = 128,496.36 : x
  2. Step 2: Convert to fraction form
    173,078.76/259,354.62 = 128,496.36/x
  3. Step 3: Cross multiply
    173,078.76x = 259,354.62 × 128,496.36
  4. Step 4: Simplify right side
    173,078.76x = 33,326,124,619.18
  5. Step 5: Solve for x
    x = 33,326,124,619.18/173,078.76
  6. Step 6: Final answer
    x = 192,548.90

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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.