Home / 313,749.30-432,957.46-177,784.88

Finding the Fourth Proportional to 313,749.30, 432,957.46 and 177,784.88

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Solution

The fourth proportional to 313,749.30, 432,957.46 and 177,784.88 is: 245,333.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,749.30 : 432,957.46 = 177,784.88 : x
  2. Step 2: Convert to fraction form
    313,749.30/432,957.46 = 177,784.88/x
  3. Step 3: Cross multiply
    313,749.30x = 432,957.46 × 177,784.88
  4. Step 4: Simplify right side
    313,749.30x = 76,973,287,461.96
  5. Step 5: Solve for x
    x = 76,973,287,461.96/313,749.30
  6. Step 6: Final answer
    x = 245,333.73

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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.