Home / 164,964.04-247,396.70-86,035.20

Finding the Fourth Proportional to 164,964.04, 247,396.70 and 86,035.20

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Solution

The fourth proportional to 164,964.04, 247,396.70 and 86,035.20 is: 129,027.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,964.04 : 247,396.70 = 86,035.20 : x
  2. Step 2: Convert to fraction form
    164,964.04/247,396.70 = 86,035.20/x
  3. Step 3: Cross multiply
    164,964.04x = 247,396.70 × 86,035.20
  4. Step 4: Simplify right side
    164,964.04x = 21,284,824,563.84
  5. Step 5: Solve for x
    x = 21,284,824,563.84/164,964.04
  6. Step 6: Final answer
    x = 129,027.06

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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.