Home / 229,929.49-317,308.76-127,961.83

Finding the Fourth Proportional to 229,929.49, 317,308.76 and 127,961.83

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Solution

The fourth proportional to 229,929.49, 317,308.76 and 127,961.83 is: 176,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,929.49 : 317,308.76 = 127,961.83 : x
  2. Step 2: Convert to fraction form
    229,929.49/317,308.76 = 127,961.83/x
  3. Step 3: Cross multiply
    229,929.49x = 317,308.76 × 127,961.83
  4. Step 4: Simplify right side
    229,929.49x = 40,603,409,604.63
  5. Step 5: Solve for x
    x = 40,603,409,604.63/229,929.49
  6. Step 6: Final answer
    x = 176,590.70

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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.