Home / 251,762.43-347,440.68-137,045.25

Finding the Fourth Proportional to 251,762.43, 347,440.68 and 137,045.25

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Solution

The fourth proportional to 251,762.43, 347,440.68 and 137,045.25 is: 189,127.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,762.43 : 347,440.68 = 137,045.25 : x
  2. Step 2: Convert to fraction form
    251,762.43/347,440.68 = 137,045.25/x
  3. Step 3: Cross multiply
    251,762.43x = 347,440.68 × 137,045.25
  4. Step 4: Simplify right side
    251,762.43x = 47,615,094,850.77
  5. Step 5: Solve for x
    x = 47,615,094,850.77/251,762.43
  6. Step 6: Final answer
    x = 189,127.09

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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.