Home / 315,935.40-473,903.04-126,481.04

Finding the Fourth Proportional to 315,935.40, 473,903.04 and 126,481.04

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Solution

The fourth proportional to 315,935.40, 473,903.04 and 126,481.04 is: 189,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,935.40 : 473,903.04 = 126,481.04 : x
  2. Step 2: Convert to fraction form
    315,935.40/473,903.04 = 126,481.04/x
  3. Step 3: Cross multiply
    315,935.40x = 473,903.04 × 126,481.04
  4. Step 4: Simplify right side
    315,935.40x = 59,939,749,358.36
  5. Step 5: Solve for x
    x = 59,939,749,358.36/315,935.40
  6. Step 6: Final answer
    x = 189,721.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.