Home / 542,905.96-814,365.21-163,829.97

Finding the Fourth Proportional to 542,905.96, 814,365.21 and 163,829.97

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Solution

The fourth proportional to 542,905.96, 814,365.21 and 163,829.97 is: 245,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,905.96 : 814,365.21 = 163,829.97 : x
  2. Step 2: Convert to fraction form
    542,905.96/814,365.21 = 163,829.97/x
  3. Step 3: Cross multiply
    542,905.96x = 814,365.21 × 163,829.97
  4. Step 4: Simplify right side
    542,905.96x = 133,417,430,362.85
  5. Step 5: Solve for x
    x = 133,417,430,362.85/542,905.96
  6. Step 6: Final answer
    x = 245,746.85

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1.5x scale

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.