Home / 324,205.40-486,308.10-181,904.60

Finding the Fourth Proportional to 324,205.40, 486,308.10 and 181,904.60

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Solution

The fourth proportional to 324,205.40, 486,308.10 and 181,904.60 is: 272,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,205.40 : 486,308.10 = 181,904.60 : x
  2. Step 2: Convert to fraction form
    324,205.40/486,308.10 = 181,904.60/x
  3. Step 3: Cross multiply
    324,205.40x = 486,308.10 × 181,904.60
  4. Step 4: Simplify right side
    324,205.40x = 88,461,680,407.26
  5. Step 5: Solve for x
    x = 88,461,680,407.26/324,205.40
  6. Step 6: Final answer
    x = 272,856.90

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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.