Home / 229,872.03-317,224.96-127,901.78

Finding the Fourth Proportional to 229,872.03, 317,224.96 and 127,901.78

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Solution

The fourth proportional to 229,872.03, 317,224.96 and 127,901.78 is: 176,505.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,872.03 : 317,224.96 = 127,901.78 : x
  2. Step 2: Convert to fraction form
    229,872.03/317,224.96 = 127,901.78/x
  3. Step 3: Cross multiply
    229,872.03x = 317,224.96 × 127,901.78
  4. Step 4: Simplify right side
    229,872.03x = 40,573,636,328.14
  5. Step 5: Solve for x
    x = 40,573,636,328.14/229,872.03
  6. Step 6: Final answer
    x = 176,505.32

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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.