Home / 349,326.30-523,989.45-127,796.70

Finding the Fourth Proportional to 349,326.30, 523,989.45 and 127,796.70

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Solution

The fourth proportional to 349,326.30, 523,989.45 and 127,796.70 is: 191,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,326.30 : 523,989.45 = 127,796.70 : x
  2. Step 2: Convert to fraction form
    349,326.30/523,989.45 = 127,796.70/x
  3. Step 3: Cross multiply
    349,326.30x = 523,989.45 × 127,796.70
  4. Step 4: Simplify right side
    349,326.30x = 66,964,122,544.82
  5. Step 5: Solve for x
    x = 66,964,122,544.82/349,326.30
  6. Step 6: Final answer
    x = 191,695.05

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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.