Home / 205,010.32-307,528.44-86,666.08

Finding the Fourth Proportional to 205,010.32, 307,528.44 and 86,666.08

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Solution

The fourth proportional to 205,010.32, 307,528.44 and 86,666.08 is: 130,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,010.32 : 307,528.44 = 86,666.08 : x
  2. Step 2: Convert to fraction form
    205,010.32/307,528.44 = 86,666.08/x
  3. Step 3: Cross multiply
    205,010.32x = 307,528.44 × 86,666.08
  4. Step 4: Simplify right side
    205,010.32x = 26,652,284,383.32
  5. Step 5: Solve for x
    x = 26,652,284,383.32/205,010.32
  6. Step 6: Final answer
    x = 130,004.60

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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.