Home / 229,795.79-317,113.61-127,819.07

Finding the Fourth Proportional to 229,795.79, 317,113.61 and 127,819.07

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Solution

The fourth proportional to 229,795.79, 317,113.61 and 127,819.07 is: 176,387.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,795.79 : 317,113.61 = 127,819.07 : x
  2. Step 2: Convert to fraction form
    229,795.79/317,113.61 = 127,819.07/x
  3. Step 3: Cross multiply
    229,795.79x = 317,113.61 × 127,819.07
  4. Step 4: Simplify right side
    229,795.79x = 40,533,164,489.88
  5. Step 5: Solve for x
    x = 40,533,164,489.88/229,795.79
  6. Step 6: Final answer
    x = 176,387.76

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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.