Home / 371,108.12-556,219.20-202,670.76

Finding the Fourth Proportional to 371,108.12, 556,219.20 and 202,670.76

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Solution

The fourth proportional to 371,108.12, 556,219.20 and 202,670.76 is: 303,764.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,108.12 : 556,219.20 = 202,670.76 : x
  2. Step 2: Convert to fraction form
    371,108.12/556,219.20 = 202,670.76/x
  3. Step 3: Cross multiply
    371,108.12x = 556,219.20 × 202,670.76
  4. Step 4: Simplify right side
    371,108.12x = 112,729,367,990.59
  5. Step 5: Solve for x
    x = 112,729,367,990.59/371,108.12
  6. Step 6: Final answer
    x = 303,764.22

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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.