Home / 177,638.08-245,140.32-97,067.20

Finding the Fourth Proportional to 177,638.08, 245,140.32 and 97,067.20

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Solution

The fourth proportional to 177,638.08, 245,140.32 and 97,067.20 is: 133,952.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,638.08 : 245,140.32 = 97,067.20 : x
  2. Step 2: Convert to fraction form
    177,638.08/245,140.32 = 97,067.20/x
  3. Step 3: Cross multiply
    177,638.08x = 245,140.32 × 97,067.20
  4. Step 4: Simplify right side
    177,638.08x = 23,795,084,469.50
  5. Step 5: Solve for x
    x = 23,795,084,469.50/177,638.08
  6. Step 6: Final answer
    x = 133,952.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.