Home / 229,778.36-317,055.38-127,790.44

Finding the Fourth Proportional to 229,778.36, 317,055.38 and 127,790.44

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Solution

The fourth proportional to 229,778.36, 317,055.38 and 127,790.44 is: 176,329.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,778.36 : 317,055.38 = 127,790.44 : x
  2. Step 2: Convert to fraction form
    229,778.36/317,055.38 = 127,790.44/x
  3. Step 3: Cross multiply
    229,778.36x = 317,055.38 × 127,790.44
  4. Step 4: Simplify right side
    229,778.36x = 40,516,646,514.57
  5. Step 5: Solve for x
    x = 40,516,646,514.57/229,778.36
  6. Step 6: Final answer
    x = 176,329.25

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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.