Home / 146,041.25-201,536.94-78,973.25

Finding the Fourth Proportional to 146,041.25, 201,536.94 and 78,973.25

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Solution

The fourth proportional to 146,041.25, 201,536.94 and 78,973.25 is: 108,983.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,041.25 : 201,536.94 = 78,973.25 : x
  2. Step 2: Convert to fraction form
    146,041.25/201,536.94 = 78,973.25/x
  3. Step 3: Cross multiply
    146,041.25x = 201,536.94 × 78,973.25
  4. Step 4: Simplify right side
    146,041.25x = 15,916,026,751.99
  5. Step 5: Solve for x
    x = 15,916,026,751.99/146,041.25
  6. Step 6: Final answer
    x = 108,983.09

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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.