Home / 229,947.36-345,088.80-117,721.44

Finding the Fourth Proportional to 229,947.36, 345,088.80 and 117,721.44

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Solution

The fourth proportional to 229,947.36, 345,088.80 and 117,721.44 is: 176,668.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,947.36 : 345,088.80 = 117,721.44 : x
  2. Step 2: Convert to fraction form
    229,947.36/345,088.80 = 117,721.44/x
  3. Step 3: Cross multiply
    229,947.36x = 345,088.80 × 117,721.44
  4. Step 4: Simplify right side
    229,947.36x = 40,624,350,463.87
  5. Step 5: Solve for x
    x = 40,624,350,463.87/229,947.36
  6. Step 6: Final answer
    x = 176,668.04

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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.