Home / 226,783.90-340,305.45-86,643.10

Finding the Fourth Proportional to 226,783.90, 340,305.45 and 86,643.10

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Solution

The fourth proportional to 226,783.90, 340,305.45 and 86,643.10 is: 130,014.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,783.90 : 340,305.45 = 86,643.10 : x
  2. Step 2: Convert to fraction form
    226,783.90/340,305.45 = 86,643.10/x
  3. Step 3: Cross multiply
    226,783.90x = 340,305.45 × 86,643.10
  4. Step 4: Simplify right side
    226,783.90x = 29,485,119,134.90
  5. Step 5: Solve for x
    x = 29,485,119,134.90/226,783.90
  6. Step 6: Final answer
    x = 130,014.16

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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.