Home / 229,920.03-317,261.79-127,921.41

Finding the Fourth Proportional to 229,920.03, 317,261.79 and 127,921.41

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Solution

The fourth proportional to 229,920.03, 317,261.79 and 127,921.41 is: 176,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,920.03 : 317,261.79 = 127,921.41 : x
  2. Step 2: Convert to fraction form
    229,920.03/317,261.79 = 127,921.41/x
  3. Step 3: Cross multiply
    229,920.03x = 317,261.79 × 127,921.41
  4. Step 4: Simplify right side
    229,920.03x = 40,584,575,515.92
  5. Step 5: Solve for x
    x = 40,584,575,515.92/229,920.03
  6. Step 6: Final answer
    x = 176,516.05

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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.