Home / 354,069.15-531,260.70-185,549.43

Finding the Fourth Proportional to 354,069.15, 531,260.70 and 185,549.43

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Solution

The fourth proportional to 354,069.15, 531,260.70 and 185,549.43 is: 278,406.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,069.15 : 531,260.70 = 185,549.43 : x
  2. Step 2: Convert to fraction form
    354,069.15/531,260.70 = 185,549.43/x
  3. Step 3: Cross multiply
    354,069.15x = 531,260.70 × 185,549.43
  4. Step 4: Simplify right side
    354,069.15x = 98,575,120,066.40
  5. Step 5: Solve for x
    x = 98,575,120,066.40/354,069.15
  6. Step 6: Final answer
    x = 278,406.41

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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.