Home / 163,670.13-245,477.82-45,353.43

Finding the Fourth Proportional to 163,670.13, 245,477.82 and 45,353.43

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Solution

The fourth proportional to 163,670.13, 245,477.82 and 45,353.43 is: 68,022.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,670.13 : 245,477.82 = 45,353.43 : x
  2. Step 2: Convert to fraction form
    163,670.13/245,477.82 = 45,353.43/x
  3. Step 3: Cross multiply
    163,670.13x = 245,477.82 × 45,353.43
  4. Step 4: Simplify right side
    163,670.13x = 11,133,261,125.92
  5. Step 5: Solve for x
    x = 11,133,261,125.92/163,670.13
  6. Step 6: Final answer
    x = 68,022.56

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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.