Home / 371,175.28-556,267.20-193,309.36

Finding the Fourth Proportional to 371,175.28, 556,267.20 and 193,309.36

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Solution

The fourth proportional to 371,175.28, 556,267.20 and 193,309.36 is: 289,705.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,175.28 : 556,267.20 = 193,309.36 : x
  2. Step 2: Convert to fraction form
    371,175.28/556,267.20 = 193,309.36/x
  3. Step 3: Cross multiply
    371,175.28x = 556,267.20 × 193,309.36
  4. Step 4: Simplify right side
    371,175.28x = 107,531,656,420.99
  5. Step 5: Solve for x
    x = 107,531,656,420.99/371,175.28
  6. Step 6: Final answer
    x = 289,705.87

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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.