Home / 204,872.37-307,341.36-86,544.74

Finding the Fourth Proportional to 204,872.37, 307,341.36 and 86,544.74

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Solution

The fourth proportional to 204,872.37, 307,341.36 and 86,544.74 is: 129,830.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,872.37 : 307,341.36 = 86,544.74 : x
  2. Step 2: Convert to fraction form
    204,872.37/307,341.36 = 86,544.74/x
  3. Step 3: Cross multiply
    204,872.37x = 307,341.36 × 86,544.74
  4. Step 4: Simplify right side
    204,872.37x = 26,598,776,555.74
  5. Step 5: Solve for x
    x = 26,598,776,555.74/204,872.37
  6. Step 6: Final answer
    x = 129,830.96

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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.