Home / 340,315.22-510,546.63-103,651.70

Finding the Fourth Proportional to 340,315.22, 510,546.63 and 103,651.70

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Solution

The fourth proportional to 340,315.22, 510,546.63 and 103,651.70 is: 155,500.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,315.22 : 510,546.63 = 103,651.70 : x
  2. Step 2: Convert to fraction form
    340,315.22/510,546.63 = 103,651.70/x
  3. Step 3: Cross multiply
    340,315.22x = 510,546.63 × 103,651.70
  4. Step 4: Simplify right side
    340,315.22x = 52,919,026,128.77
  5. Step 5: Solve for x
    x = 52,919,026,128.77/340,315.22
  6. Step 6: Final answer
    x = 155,500.03

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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.