Home / 340,281.01-510,382.62-90,982.45

Finding the Fourth Proportional to 340,281.01, 510,382.62 and 90,982.45

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Solution

The fourth proportional to 340,281.01, 510,382.62 and 90,982.45 is: 136,463.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,281.01 : 510,382.62 = 90,982.45 : x
  2. Step 2: Convert to fraction form
    340,281.01/510,382.62 = 90,982.45/x
  3. Step 3: Cross multiply
    340,281.01x = 510,382.62 × 90,982.45
  4. Step 4: Simplify right side
    340,281.01x = 46,435,861,205.02
  5. Step 5: Solve for x
    x = 46,435,861,205.02/340,281.01
  6. Step 6: Final answer
    x = 136,463.28

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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.