Home / 371,327.40-556,991.10-90,844.65

Finding the Fourth Proportional to 371,327.40, 556,991.10 and 90,844.65

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Solution

The fourth proportional to 371,327.40, 556,991.10 and 90,844.65 is: 136,266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,327.40 : 556,991.10 = 90,844.65 : x
  2. Step 2: Convert to fraction form
    371,327.40/556,991.10 = 90,844.65/x
  3. Step 3: Cross multiply
    371,327.40x = 556,991.10 × 90,844.65
  4. Step 4: Simplify right side
    371,327.40x = 50,599,661,532.62
  5. Step 5: Solve for x
    x = 50,599,661,532.62/371,327.40
  6. Step 6: Final answer
    x = 136,266.98

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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.