Home / 220,864.40-304,784.56-134,967.01

Finding the Fourth Proportional to 220,864.40, 304,784.56 and 134,967.01

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Solution

The fourth proportional to 220,864.40, 304,784.56 and 134,967.01 is: 186,249.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,864.40 : 304,784.56 = 134,967.01 : x
  2. Step 2: Convert to fraction form
    220,864.40/304,784.56 = 134,967.01/x
  3. Step 3: Cross multiply
    220,864.40x = 304,784.56 × 134,967.01
  4. Step 4: Simplify right side
    220,864.40x = 41,135,860,757.37
  5. Step 5: Solve for x
    x = 41,135,860,757.37/220,864.40
  6. Step 6: Final answer
    x = 186,249.39

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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.