Home / 350,458.30-525,687.39-84,218.81

Finding the Fourth Proportional to 350,458.30, 525,687.39 and 84,218.81

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Solution

The fourth proportional to 350,458.30, 525,687.39 and 84,218.81 is: 126,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,458.30 : 525,687.39 = 84,218.81 : x
  2. Step 2: Convert to fraction form
    350,458.30/525,687.39 = 84,218.81/x
  3. Step 3: Cross multiply
    350,458.30x = 525,687.39 × 84,218.81
  4. Step 4: Simplify right side
    350,458.30x = 44,272,766,417.81
  5. Step 5: Solve for x
    x = 44,272,766,417.81/350,458.30
  6. Step 6: Final answer
    x = 126,328.20

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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.