Home / 229,793.10-317,109.89-127,816.40

Finding the Fourth Proportional to 229,793.10, 317,109.89 and 127,816.40

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Solution

The fourth proportional to 229,793.10, 317,109.89 and 127,816.40 is: 176,384.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,793.10 : 317,109.89 = 127,816.40 : x
  2. Step 2: Convert to fraction form
    229,793.10/317,109.89 = 127,816.40/x
  3. Step 3: Cross multiply
    229,793.10x = 317,109.89 × 127,816.40
  4. Step 4: Simplify right side
    229,793.10x = 40,531,842,319.56
  5. Step 5: Solve for x
    x = 40,531,842,319.56/229,793.10
  6. Step 6: Final answer
    x = 176,384.07

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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.