Home / 340,208.90-510,222.18-103,488.02

Finding the Fourth Proportional to 340,208.90, 510,222.18 and 103,488.02

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Solution

The fourth proportional to 340,208.90, 510,222.18 and 103,488.02 is: 155,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,208.90 : 510,222.18 = 103,488.02 : x
  2. Step 2: Convert to fraction form
    340,208.90/510,222.18 = 103,488.02/x
  3. Step 3: Cross multiply
    340,208.90x = 510,222.18 × 103,488.02
  4. Step 4: Simplify right side
    340,208.90x = 52,801,883,168.28
  5. Step 5: Solve for x
    x = 52,801,883,168.28/340,208.90
  6. Step 6: Final answer
    x = 155,204.30

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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.