Home / 229,896.18-317,256.96-127,930.92

Finding the Fourth Proportional to 229,896.18, 317,256.96 and 127,930.92

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Solution

The fourth proportional to 229,896.18, 317,256.96 and 127,930.92 is: 176,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,896.18 : 317,256.96 = 127,930.92 : x
  2. Step 2: Convert to fraction form
    229,896.18/317,256.96 = 127,930.92/x
  3. Step 3: Cross multiply
    229,896.18x = 317,256.96 × 127,930.92
  4. Step 4: Simplify right side
    229,896.18x = 40,586,974,769.20
  5. Step 5: Solve for x
    x = 40,586,974,769.20/229,896.18
  6. Step 6: Final answer
    x = 176,544.80

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1.5x scale

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.