Home / 133,054.38-183,622.53-76,469.40

Finding the Fourth Proportional to 133,054.38, 183,622.53 and 76,469.40

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Solution

The fourth proportional to 133,054.38, 183,622.53 and 76,469.40 is: 105,532.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,054.38 : 183,622.53 = 76,469.40 : x
  2. Step 2: Convert to fraction form
    133,054.38/183,622.53 = 76,469.40/x
  3. Step 3: Cross multiply
    133,054.38x = 183,622.53 × 76,469.40
  4. Step 4: Simplify right side
    133,054.38x = 14,041,504,695.58
  5. Step 5: Solve for x
    x = 14,041,504,695.58/133,054.38
  6. Step 6: Final answer
    x = 105,532.07

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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.