Home / 264,280.98-364,708-143,422.29

Finding the Fourth Proportional to 264,280.98, 364,708 and 143,422.29

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Solution

The fourth proportional to 264,280.98, 364,708 and 143,422.29 is: 197,922.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,280.98 : 364,708 = 143,422.29 : x
  2. Step 2: Convert to fraction form
    264,280.98/364,708 = 143,422.29/x
  3. Step 3: Cross multiply
    264,280.98x = 364,708 × 143,422.29
  4. Step 4: Simplify right side
    264,280.98x = 52,307,256,541.32
  5. Step 5: Solve for x
    x = 52,307,256,541.32/264,280.98
  6. Step 6: Final answer
    x = 197,922.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.