Home / 461,172.02-691,778.75-141,300.45

Finding the Fourth Proportional to 461,172.02, 691,778.75 and 141,300.45

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Solution

The fourth proportional to 461,172.02, 691,778.75 and 141,300.45 is: 211,957.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,172.02 : 691,778.75 = 141,300.45 : x
  2. Step 2: Convert to fraction form
    461,172.02/691,778.75 = 141,300.45/x
  3. Step 3: Cross multiply
    461,172.02x = 691,778.75 × 141,300.45
  4. Step 4: Simplify right side
    461,172.02x = 97,748,647,968.94
  5. Step 5: Solve for x
    x = 97,748,647,968.94/461,172.02
  6. Step 6: Final answer
    x = 211,957.02

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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.